Home / 22,789.12-34,176.96-9,641.20

Finding the Fourth Proportional to 22,789.12, 34,176.96 and 9,641.20

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Solution

The fourth proportional to 22,789.12, 34,176.96 and 9,641.20 is: 14,458.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,789.12 : 34,176.96 = 9,641.20 : x
  2. Step 2: Convert to fraction form
    22,789.12/34,176.96 = 9,641.20/x
  3. Step 3: Cross multiply
    22,789.12x = 34,176.96 × 9,641.20
  4. Step 4: Simplify right side
    22,789.12x = 329,506,906.75
  5. Step 5: Solve for x
    x = 329,506,906.75/22,789.12
  6. Step 6: Final answer
    x = 14,458.96

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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.