Quadrilateral $JKLM$ is mapped to quadrilateral $J'K'L'M'$ using the dilation $\left(x,\ y\right)$ → $\left(\frac{3}{2}x,\ \frac{3}{2}y\right)$
. Then quadrilateral $J'K'L'M'$ is mapped to quadrilateral $J''K''L''M''$ using the translation $\left(x,\ y\right)$ → $\left(x+3,\ y-4\right)$ . The vertices of quadrilateral $J'K'L'M'$ are $J'\left(-12,\ 0\right)$ , $K'\left(-12,\ 18\right)$ , $L'\left(-6,\ 18\right)$ , and $M'\left(-6,\ 0\right)$ . Find the coordinates of the vertices of quadrilateral $JKLM$ and quadrilateral $J''K''L''M''$ .