Home / 15,123.26-22,689.51-7,732.91

Finding the Fourth Proportional to 15,123.26, 22,689.51 and 7,732.91

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Solution

The fourth proportional to 15,123.26, 22,689.51 and 7,732.91 is: 11,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123.26 : 22,689.51 = 7,732.91 : x
  2. Step 2: Convert to fraction form
    15,123.26/22,689.51 = 7,732.91/x
  3. Step 3: Cross multiply
    15,123.26x = 22,689.51 × 7,732.91
  4. Step 4: Simplify right side
    15,123.26x = 175,456,052.54
  5. Step 5: Solve for x
    x = 175,456,052.54/15,123.26
  6. Step 6: Final answer
    x = 11,601.73

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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.