Home / 12,022.78-18,034.17-3,257.70

Finding the Fourth Proportional to 12,022.78, 18,034.17 and 3,257.70

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Solution

The fourth proportional to 12,022.78, 18,034.17 and 3,257.70 is: 4,886.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,022.78 : 18,034.17 = 3,257.70 : x
  2. Step 2: Convert to fraction form
    12,022.78/18,034.17 = 3,257.70/x
  3. Step 3: Cross multiply
    12,022.78x = 18,034.17 × 3,257.70
  4. Step 4: Simplify right side
    12,022.78x = 58,749,845.99
  5. Step 5: Solve for x
    x = 58,749,845.99/12,022.78
  6. Step 6: Final answer
    x = 4,886.54

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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.