Home / 55,191.12-82,786.68-17,754.44

Finding the Fourth Proportional to 55,191.12, 82,786.68 and 17,754.44

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Solution

The fourth proportional to 55,191.12, 82,786.68 and 17,754.44 is: 26,631.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191.12 : 82,786.68 = 17,754.44 : x
  2. Step 2: Convert to fraction form
    55,191.12/82,786.68 = 17,754.44/x
  3. Step 3: Cross multiply
    55,191.12x = 82,786.68 × 17,754.44
  4. Step 4: Simplify right side
    55,191.12x = 1,469,831,142.86
  5. Step 5: Solve for x
    x = 1,469,831,142.86/55,191.12
  6. Step 6: Final answer
    x = 26,631.66

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Similar ratio
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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.