Home / 45,163.17-67,744.15-13,998.42

Finding the Fourth Proportional to 45,163.17, 67,744.15 and 13,998.42

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Solution

The fourth proportional to 45,163.17, 67,744.15 and 13,998.42 is: 20,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,163.17 : 67,744.15 = 13,998.42 : x
  2. Step 2: Convert to fraction form
    45,163.17/67,744.15 = 13,998.42/x
  3. Step 3: Cross multiply
    45,163.17x = 67,744.15 × 13,998.42
  4. Step 4: Simplify right side
    45,163.17x = 948,311,029.25
  5. Step 5: Solve for x
    x = 948,311,029.25/45,163.17
  6. Step 6: Final answer
    x = 20,997.44

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