Home / 22,069.76-30,456.42-11,998.19

Finding the Fourth Proportional to 22,069.76, 30,456.42 and 11,998.19

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Solution

The fourth proportional to 22,069.76, 30,456.42 and 11,998.19 is: 16,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,069.76 : 30,456.42 = 11,998.19 : x
  2. Step 2: Convert to fraction form
    22,069.76/30,456.42 = 11,998.19/x
  3. Step 3: Cross multiply
    22,069.76x = 30,456.42 × 11,998.19
  4. Step 4: Simplify right side
    22,069.76x = 365,421,761.60
  5. Step 5: Solve for x
    x = 365,421,761.60/22,069.76
  6. Step 6: Final answer
    x = 16,557.58

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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.