Home / 22,070.44-30,456.28-11,998.64

Finding the Fourth Proportional to 22,070.44, 30,456.28 and 11,998.64

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Solution

The fourth proportional to 22,070.44, 30,456.28 and 11,998.64 is: 16,557.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,070.44 : 30,456.28 = 11,998.64 : x
  2. Step 2: Convert to fraction form
    22,070.44/30,456.28 = 11,998.64/x
  3. Step 3: Cross multiply
    22,070.44x = 30,456.28 × 11,998.64
  4. Step 4: Simplify right side
    22,070.44x = 365,433,939.46
  5. Step 5: Solve for x
    x = 365,433,939.46/22,070.44
  6. Step 6: Final answer
    x = 16,557.62

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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.