Home / 18,092.90-27,144-6,996.71

Finding the Fourth Proportional to 18,092.90, 27,144 and 6,996.71

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Solution

The fourth proportional to 18,092.90, 27,144 and 6,996.71 is: 10,496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.90 : 27,144 = 6,996.71 : x
  2. Step 2: Convert to fraction form
    18,092.90/27,144 = 6,996.71/x
  3. Step 3: Cross multiply
    18,092.90x = 27,144 × 6,996.71
  4. Step 4: Simplify right side
    18,092.90x = 189,918,560.52
  5. Step 5: Solve for x
    x = 189,918,560.52/18,092.90
  6. Step 6: Final answer
    x = 10,496.86

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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.