Home / 19,954.32-29,936.97-5,915.04

Finding the Fourth Proportional to 19,954.32, 29,936.97 and 5,915.04

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Solution

The fourth proportional to 19,954.32, 29,936.97 and 5,915.04 is: 8,874.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.32 : 29,936.97 = 5,915.04 : x
  2. Step 2: Convert to fraction form
    19,954.32/29,936.97 = 5,915.04/x
  3. Step 3: Cross multiply
    19,954.32x = 29,936.97 × 5,915.04
  4. Step 4: Simplify right side
    19,954.32x = 177,078,375.03
  5. Step 5: Solve for x
    x = 177,078,375.03/19,954.32
  6. Step 6: Final answer
    x = 8,874.19

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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.