Home / 18,092.34-27,156-8,738.91

Finding the Fourth Proportional to 18,092.34, 27,156 and 8,738.91

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Solution

The fourth proportional to 18,092.34, 27,156 and 8,738.91 is: 13,116.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,092.34 : 27,156 = 8,738.91 : x
  2. Step 2: Convert to fraction form
    18,092.34/27,156 = 8,738.91/x
  3. Step 3: Cross multiply
    18,092.34x = 27,156 × 8,738.91
  4. Step 4: Simplify right side
    18,092.34x = 237,313,839.96
  5. Step 5: Solve for x
    x = 237,313,839.96/18,092.34
  6. Step 6: Final answer
    x = 13,116.81

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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.