Home / 17,715.35-24,448.91-13,231.32

Finding the Fourth Proportional to 17,715.35, 24,448.91 and 13,231.32

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Solution

The fourth proportional to 17,715.35, 24,448.91 and 13,231.32 is: 18,260.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,715.35 : 24,448.91 = 13,231.32 : x
  2. Step 2: Convert to fraction form
    17,715.35/24,448.91 = 13,231.32/x
  3. Step 3: Cross multiply
    17,715.35x = 24,448.91 × 13,231.32
  4. Step 4: Simplify right side
    17,715.35x = 323,491,351.86
  5. Step 5: Solve for x
    x = 323,491,351.86/17,715.35
  6. Step 6: Final answer
    x = 18,260.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.