Home / 16,631.20-22,951.92-9,558.28

Finding the Fourth Proportional to 16,631.20, 22,951.92 and 9,558.28

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Solution

The fourth proportional to 16,631.20, 22,951.92 and 9,558.28 is: 13,190.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.20 : 22,951.92 = 9,558.28 : x
  2. Step 2: Convert to fraction form
    16,631.20/22,951.92 = 9,558.28/x
  3. Step 3: Cross multiply
    16,631.20x = 22,951.92 × 9,558.28
  4. Step 4: Simplify right side
    16,631.20x = 219,380,877.90
  5. Step 5: Solve for x
    x = 219,380,877.90/16,631.20
  6. Step 6: Final answer
    x = 13,190.92

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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.