Home / 13,414.61-20,122.10-4,054.71

Finding the Fourth Proportional to 13,414.61, 20,122.10 and 4,054.71

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Solution

The fourth proportional to 13,414.61, 20,122.10 and 4,054.71 is: 6,082.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.61 : 20,122.10 = 4,054.71 : x
  2. Step 2: Convert to fraction form
    13,414.61/20,122.10 = 4,054.71/x
  3. Step 3: Cross multiply
    13,414.61x = 20,122.10 × 4,054.71
  4. Step 4: Simplify right side
    13,414.61x = 81,589,260.10
  5. Step 5: Solve for x
    x = 81,589,260.10/13,414.61
  6. Step 6: Final answer
    x = 6,082.12

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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.