Home / 15,128.91-22,672.26-5,758.83

Finding the Fourth Proportional to 15,128.91, 22,672.26 and 5,758.83

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Solution

The fourth proportional to 15,128.91, 22,672.26 and 5,758.83 is: 8,630.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,128.91 : 22,672.26 = 5,758.83 : x
  2. Step 2: Convert to fraction form
    15,128.91/22,672.26 = 5,758.83/x
  3. Step 3: Cross multiply
    15,128.91x = 22,672.26 × 5,758.83
  4. Step 4: Simplify right side
    15,128.91x = 130,565,691.06
  5. Step 5: Solve for x
    x = 130,565,691.06/15,128.91
  6. Step 6: Final answer
    x = 8,630.21

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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.