Home / 13,079.71-18,049.61-7,414.97

Finding the Fourth Proportional to 13,079.71, 18,049.61 and 7,414.97

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Solution

The fourth proportional to 13,079.71, 18,049.61 and 7,414.97 is: 10,232.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.71 : 18,049.61 = 7,414.97 : x
  2. Step 2: Convert to fraction form
    13,079.71/18,049.61 = 7,414.97/x
  3. Step 3: Cross multiply
    13,079.71x = 18,049.61 × 7,414.97
  4. Step 4: Simplify right side
    13,079.71x = 133,837,316.66
  5. Step 5: Solve for x
    x = 133,837,316.66/13,079.71
  6. Step 6: Final answer
    x = 10,232.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.