Home / 16,221.17-24,331.71-3,909.17

Finding the Fourth Proportional to 16,221.17, 24,331.71 and 3,909.17

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Solution

The fourth proportional to 16,221.17, 24,331.71 and 3,909.17 is: 5,863.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,221.17 : 24,331.71 = 3,909.17 : x
  2. Step 2: Convert to fraction form
    16,221.17/24,331.71 = 3,909.17/x
  3. Step 3: Cross multiply
    16,221.17x = 24,331.71 × 3,909.17
  4. Step 4: Simplify right side
    16,221.17x = 95,116,790.78
  5. Step 5: Solve for x
    x = 95,116,790.78/16,221.17
  6. Step 6: Final answer
    x = 5,863.74

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1.5x scale

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.