Home / 15,108.27-22,664.72-7,708.70

Finding the Fourth Proportional to 15,108.27, 22,664.72 and 7,708.70

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Solution

The fourth proportional to 15,108.27, 22,664.72 and 7,708.70 is: 11,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.27 : 22,664.72 = 7,708.70 : x
  2. Step 2: Convert to fraction form
    15,108.27/22,664.72 = 7,708.70/x
  3. Step 3: Cross multiply
    15,108.27x = 22,664.72 × 7,708.70
  4. Step 4: Simplify right side
    15,108.27x = 174,715,375.20
  5. Step 5: Solve for x
    x = 174,715,375.20/15,108.27
  6. Step 6: Final answer
    x = 11,564.22

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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.