Home / 19,998.30-29,997.45-19,706.70

Finding the Fourth Proportional to 19,998.30, 29,997.45 and 19,706.70

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Solution

The fourth proportional to 19,998.30, 29,997.45 and 19,706.70 is: 29,560.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.30 : 29,997.45 = 19,706.70 : x
  2. Step 2: Convert to fraction form
    19,998.30/29,997.45 = 19,706.70/x
  3. Step 3: Cross multiply
    19,998.30x = 29,997.45 × 19,706.70
  4. Step 4: Simplify right side
    19,998.30x = 591,150,747.92
  5. Step 5: Solve for x
    x = 591,150,747.92/19,998.30
  6. Step 6: Final answer
    x = 29,560.05

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.