Home / 16,221.38-24,332.09-3,909.38

Finding the Fourth Proportional to 16,221.38, 24,332.09 and 3,909.38

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Solution

The fourth proportional to 16,221.38, 24,332.09 and 3,909.38 is: 5,864.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.38 : 24,332.09 = 3,909.38 : x
  2. Step 2: Convert to fraction form
    16,221.38/24,332.09 = 3,909.38/x
  3. Step 3: Cross multiply
    16,221.38x = 24,332.09 × 3,909.38
  4. Step 4: Simplify right side
    16,221.38x = 95,123,244.80
  5. Step 5: Solve for x
    x = 95,123,244.80/16,221.38
  6. Step 6: Final answer
    x = 5,864.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.