Home / 18,354.87-27,531.72-5,874.75

Finding the Fourth Proportional to 18,354.87, 27,531.72 and 5,874.75

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Solution

The fourth proportional to 18,354.87, 27,531.72 and 5,874.75 is: 8,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.87 : 27,531.72 = 5,874.75 : x
  2. Step 2: Convert to fraction form
    18,354.87/27,531.72 = 5,874.75/x
  3. Step 3: Cross multiply
    18,354.87x = 27,531.72 × 5,874.75
  4. Step 4: Simplify right side
    18,354.87x = 161,741,972.07
  5. Step 5: Solve for x
    x = 161,741,972.07/18,354.87
  6. Step 6: Final answer
    x = 8,811.94

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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.