Home / 15,640.72-23,461.32-3,954.04

Finding the Fourth Proportional to 15,640.72, 23,461.32 and 3,954.04

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Solution

The fourth proportional to 15,640.72, 23,461.32 and 3,954.04 is: 5,931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,640.72 : 23,461.32 = 3,954.04 : x
  2. Step 2: Convert to fraction form
    15,640.72/23,461.32 = 3,954.04/x
  3. Step 3: Cross multiply
    15,640.72x = 23,461.32 × 3,954.04
  4. Step 4: Simplify right side
    15,640.72x = 92,766,997.73
  5. Step 5: Solve for x
    x = 92,766,997.73/15,640.72
  6. Step 6: Final answer
    x = 5,931.12

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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.