Home / 16,229.92-22,397.68-9,519.84

Finding the Fourth Proportional to 16,229.92, 22,397.68 and 9,519.84

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Solution

The fourth proportional to 16,229.92, 22,397.68 and 9,519.84 is: 13,137.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,229.92 : 22,397.68 = 9,519.84 : x
  2. Step 2: Convert to fraction form
    16,229.92/22,397.68 = 9,519.84/x
  3. Step 3: Cross multiply
    16,229.92x = 22,397.68 × 9,519.84
  4. Step 4: Simplify right side
    16,229.92x = 213,222,329.97
  5. Step 5: Solve for x
    x = 213,222,329.97/16,229.92
  6. Step 6: Final answer
    x = 13,137.61

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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.