Home / 18,167.49-27,242.35-7,491.85

Finding the Fourth Proportional to 18,167.49, 27,242.35 and 7,491.85

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Solution

The fourth proportional to 18,167.49, 27,242.35 and 7,491.85 is: 11,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,167.49 : 27,242.35 = 7,491.85 : x
  2. Step 2: Convert to fraction form
    18,167.49/27,242.35 = 7,491.85/x
  3. Step 3: Cross multiply
    18,167.49x = 27,242.35 × 7,491.85
  4. Step 4: Simplify right side
    18,167.49x = 204,095,725.63
  5. Step 5: Solve for x
    x = 204,095,725.63/18,167.49
  6. Step 6: Final answer
    x = 11,234.12

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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.