Home / 18,479.38-25,471.59-14,439.14

Finding the Fourth Proportional to 18,479.38, 25,471.59 and 14,439.14

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Solution

The fourth proportional to 18,479.38, 25,471.59 and 14,439.14 is: 19,902.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,479.38 : 25,471.59 = 14,439.14 : x
  2. Step 2: Convert to fraction form
    18,479.38/25,471.59 = 14,439.14/x
  3. Step 3: Cross multiply
    18,479.38x = 25,471.59 × 14,439.14
  4. Step 4: Simplify right side
    18,479.38x = 367,787,854.03
  5. Step 5: Solve for x
    x = 367,787,854.03/18,479.38
  6. Step 6: Final answer
    x = 19,902.61

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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.