Home / 22,548.16-31,099.62-19,998.88

Finding the Fourth Proportional to 22,548.16, 31,099.62 and 19,998.88

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Solution

The fourth proportional to 22,548.16, 31,099.62 and 19,998.88 is: 27,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,548.16 : 31,099.62 = 19,998.88 : x
  2. Step 2: Convert to fraction form
    22,548.16/31,099.62 = 19,998.88/x
  3. Step 3: Cross multiply
    22,548.16x = 31,099.62 × 19,998.88
  4. Step 4: Simplify right side
    22,548.16x = 621,957,568.43
  5. Step 5: Solve for x
    x = 621,957,568.43/22,548.16
  6. Step 6: Final answer
    x = 27,583.52

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Half scale
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Double scale
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Similar ratio
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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.