Home / 13,414.97-18,510.68-7,446.69

Finding the Fourth Proportional to 13,414.97, 18,510.68 and 7,446.69

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Solution

The fourth proportional to 13,414.97, 18,510.68 and 7,446.69 is: 10,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.97 : 18,510.68 = 7,446.69 : x
  2. Step 2: Convert to fraction form
    13,414.97/18,510.68 = 7,446.69/x
  3. Step 3: Cross multiply
    13,414.97x = 18,510.68 × 7,446.69
  4. Step 4: Simplify right side
    13,414.97x = 137,843,314.27
  5. Step 5: Solve for x
    x = 137,843,314.27/13,414.97
  6. Step 6: Final answer
    x = 10,275.33

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Half scale
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Double scale
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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.