Home / 15,171.38-22,760.90-4,227.38

Finding the Fourth Proportional to 15,171.38, 22,760.90 and 4,227.38

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Solution

The fourth proportional to 15,171.38, 22,760.90 and 4,227.38 is: 6,342.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,171.38 : 22,760.90 = 4,227.38 : x
  2. Step 2: Convert to fraction form
    15,171.38/22,760.90 = 4,227.38/x
  3. Step 3: Cross multiply
    15,171.38x = 22,760.90 × 4,227.38
  4. Step 4: Simplify right side
    15,171.38x = 96,218,870.21
  5. Step 5: Solve for x
    x = 96,218,870.21/15,171.38
  6. Step 6: Final answer
    x = 6,342.13

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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.