Home / 15,170.20-22,753.67-5,309.66

Finding the Fourth Proportional to 15,170.20, 22,753.67 and 5,309.66

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Solution

The fourth proportional to 15,170.20, 22,753.67 and 5,309.66 is: 7,963.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.20 : 22,753.67 = 5,309.66 : x
  2. Step 2: Convert to fraction form
    15,170.20/22,753.67 = 5,309.66/x
  3. Step 3: Cross multiply
    15,170.20x = 22,753.67 × 5,309.66
  4. Step 4: Simplify right side
    15,170.20x = 120,814,251.45
  5. Step 5: Solve for x
    x = 120,814,251.45/15,170.20
  6. Step 6: Final answer
    x = 7,963.92

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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.