Home / 22,367.97-30,867.27-12,158.75

Finding the Fourth Proportional to 22,367.97, 30,867.27 and 12,158.75

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Solution

The fourth proportional to 22,367.97, 30,867.27 and 12,158.75 is: 16,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,367.97 : 30,867.27 = 12,158.75 : x
  2. Step 2: Convert to fraction form
    22,367.97/30,867.27 = 12,158.75/x
  3. Step 3: Cross multiply
    22,367.97x = 30,867.27 × 12,158.75
  4. Step 4: Simplify right side
    22,367.97x = 375,307,264.78
  5. Step 5: Solve for x
    x = 375,307,264.78/22,367.97
  6. Step 6: Final answer
    x = 16,778.78

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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.