Home / 22,191.56-33,261.19-8,146.92

Finding the Fourth Proportional to 22,191.56, 33,261.19 and 8,146.92

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Solution

The fourth proportional to 22,191.56, 33,261.19 and 8,146.92 is: 12,210.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,191.56 : 33,261.19 = 8,146.92 : x
  2. Step 2: Convert to fraction form
    22,191.56/33,261.19 = 8,146.92/x
  3. Step 3: Cross multiply
    22,191.56x = 33,261.19 × 8,146.92
  4. Step 4: Simplify right side
    22,191.56x = 270,976,181.81
  5. Step 5: Solve for x
    x = 270,976,181.81/22,191.56
  6. Step 6: Final answer
    x = 12,210.78

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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.