Home / 15,170.52-22,755.96-5,309.76

Finding the Fourth Proportional to 15,170.52, 22,755.96 and 5,309.76

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Solution

The fourth proportional to 15,170.52, 22,755.96 and 5,309.76 is: 7,964.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,170.52 : 22,755.96 = 5,309.76 : x
  2. Step 2: Convert to fraction form
    15,170.52/22,755.96 = 5,309.76/x
  3. Step 3: Cross multiply
    15,170.52x = 22,755.96 × 5,309.76
  4. Step 4: Simplify right side
    15,170.52x = 120,828,686.17
  5. Step 5: Solve for x
    x = 120,828,686.17/15,170.52
  6. Step 6: Final answer
    x = 7,964.70

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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.