A solid hemisphere has radius 14 cm. It is melted to form a cylinder such that the ratio of its curved surface area and total surface area is 2 : 3. What is the radius (in cm) of its base?
1
\(\frac{{10}}{{\sqrt[3]{3}}}\)
2
\(\frac{{14}}{{\sqrt[3]{3}}}\)
3
\(\frac{7}{{\sqrt[3]{3}}}\)
4
\(\frac{{21}}{{\sqrt[3]{3}}}\)