Home / 16,234.12-22,402.90-9,160.57

Finding the Fourth Proportional to 16,234.12, 22,402.90 and 9,160.57

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Solution

The fourth proportional to 16,234.12, 22,402.90 and 9,160.57 is: 12,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,234.12 : 22,402.90 = 9,160.57 : x
  2. Step 2: Convert to fraction form
    16,234.12/22,402.90 = 9,160.57/x
  3. Step 3: Cross multiply
    16,234.12x = 22,402.90 × 9,160.57
  4. Step 4: Simplify right side
    16,234.12x = 205,223,333.65
  5. Step 5: Solve for x
    x = 205,223,333.65/16,234.12
  6. Step 6: Final answer
    x = 12,641.48

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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.