Considering that it is an enlargement, then we are referring to the similarity of the objects. Since the angles don't change and the sides change proportionally, these triangles are similar. According to the rule of similarity, we can write that
[tex] \frac{x}{9.3}= \frac{3.5}{1.7} [/tex] and [tex]x=19.14705[/tex] and x≈19.1
