Home / 15,414.72-23,124-5,551.44

Finding the Fourth Proportional to 15,414.72, 23,124 and 5,551.44

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Solution

The fourth proportional to 15,414.72, 23,124 and 5,551.44 is: 8,327.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,414.72 : 23,124 = 5,551.44 : x
  2. Step 2: Convert to fraction form
    15,414.72/23,124 = 5,551.44/x
  3. Step 3: Cross multiply
    15,414.72x = 23,124 × 5,551.44
  4. Step 4: Simplify right side
    15,414.72x = 128,371,498.56
  5. Step 5: Solve for x
    x = 128,371,498.56/15,414.72
  6. Step 6: Final answer
    x = 8,327.85

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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.