Home / 18,838.02-28,251.60-7,593.36

Finding the Fourth Proportional to 18,838.02, 28,251.60 and 7,593.36

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Solution

The fourth proportional to 18,838.02, 28,251.60 and 7,593.36 is: 11,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.02 : 28,251.60 = 7,593.36 : x
  2. Step 2: Convert to fraction form
    18,838.02/28,251.60 = 7,593.36/x
  3. Step 3: Cross multiply
    18,838.02x = 28,251.60 × 7,593.36
  4. Step 4: Simplify right side
    18,838.02x = 214,524,569.38
  5. Step 5: Solve for x
    x = 214,524,569.38/18,838.02
  6. Step 6: Final answer
    x = 11,387.85

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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.