Home / 15,120.41-22,677.15-5,761.49

Finding the Fourth Proportional to 15,120.41, 22,677.15 and 5,761.49

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Solution

The fourth proportional to 15,120.41, 22,677.15 and 5,761.49 is: 8,640.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120.41 : 22,677.15 = 5,761.49 : x
  2. Step 2: Convert to fraction form
    15,120.41/22,677.15 = 5,761.49/x
  3. Step 3: Cross multiply
    15,120.41x = 22,677.15 × 5,761.49
  4. Step 4: Simplify right side
    15,120.41x = 130,654,172.95
  5. Step 5: Solve for x
    x = 130,654,172.95/15,120.41
  6. Step 6: Final answer
    x = 8,640.91

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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.