Home / 22,191.76-33,252.16-15,540.80

Finding the Fourth Proportional to 22,191.76, 33,252.16 and 15,540.80

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Solution

The fourth proportional to 22,191.76, 33,252.16 and 15,540.80 is: 23,286.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.76 : 33,252.16 = 15,540.80 : x
  2. Step 2: Convert to fraction form
    22,191.76/33,252.16 = 15,540.80/x
  3. Step 3: Cross multiply
    22,191.76x = 33,252.16 × 15,540.80
  4. Step 4: Simplify right side
    22,191.76x = 516,765,168.13
  5. Step 5: Solve for x
    x = 516,765,168.13/22,191.76
  6. Step 6: Final answer
    x = 23,286.35

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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.