Home / 38,578.71-57,853.39-13,614.11

Finding the Fourth Proportional to 38,578.71, 57,853.39 and 13,614.11

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Solution

The fourth proportional to 38,578.71, 57,853.39 and 13,614.11 is: 20,415.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,578.71 : 57,853.39 = 13,614.11 : x
  2. Step 2: Convert to fraction form
    38,578.71/57,853.39 = 13,614.11/x
  3. Step 3: Cross multiply
    38,578.71x = 57,853.39 × 13,614.11
  4. Step 4: Simplify right side
    38,578.71x = 787,622,415.33
  5. Step 5: Solve for x
    x = 787,622,415.33/38,578.71
  6. Step 6: Final answer
    x = 20,415.99

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1.5x scale

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.