Home / 15,123.92-22,687.29-4,031.27

Finding the Fourth Proportional to 15,123.92, 22,687.29 and 4,031.27

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Solution

The fourth proportional to 15,123.92, 22,687.29 and 4,031.27 is: 6,047.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123.92 : 22,687.29 = 4,031.27 : x
  2. Step 2: Convert to fraction form
    15,123.92/22,687.29 = 4,031.27/x
  3. Step 3: Cross multiply
    15,123.92x = 22,687.29 × 4,031.27
  4. Step 4: Simplify right side
    15,123.92x = 91,458,563.20
  5. Step 5: Solve for x
    x = 91,458,563.20/15,123.92
  6. Step 6: Final answer
    x = 6,047.28

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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.