Home / 18,250.13-27,375.02-5,770.15

Finding the Fourth Proportional to 18,250.13, 27,375.02 and 5,770.15

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Solution

The fourth proportional to 18,250.13, 27,375.02 and 5,770.15 is: 8,655.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,250.13 : 27,375.02 = 5,770.15 : x
  2. Step 2: Convert to fraction form
    18,250.13/27,375.02 = 5,770.15/x
  3. Step 3: Cross multiply
    18,250.13x = 27,375.02 × 5,770.15
  4. Step 4: Simplify right side
    18,250.13x = 157,957,942.80
  5. Step 5: Solve for x
    x = 157,957,942.80/18,250.13
  6. Step 6: Final answer
    x = 8,655.17

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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.