Home / 22,576.61-31,155.89-12,505.20

Finding the Fourth Proportional to 22,576.61, 31,155.89 and 12,505.20

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Solution

The fourth proportional to 22,576.61, 31,155.89 and 12,505.20 is: 17,257.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,576.61 : 31,155.89 = 12,505.20 : x
  2. Step 2: Convert to fraction form
    22,576.61/31,155.89 = 12,505.20/x
  3. Step 3: Cross multiply
    22,576.61x = 31,155.89 × 12,505.20
  4. Step 4: Simplify right side
    22,576.61x = 389,610,573.10
  5. Step 5: Solve for x
    x = 389,610,573.10/22,576.61
  6. Step 6: Final answer
    x = 17,257.27

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Half scale
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Double scale
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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.