Home / 41,982.90-62,982.65-11,997.39

Finding the Fourth Proportional to 41,982.90, 62,982.65 and 11,997.39

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Solution

The fourth proportional to 41,982.90, 62,982.65 and 11,997.39 is: 17,998.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,982.90 : 62,982.65 = 11,997.39 : x
  2. Step 2: Convert to fraction form
    41,982.90/62,982.65 = 11,997.39/x
  3. Step 3: Cross multiply
    41,982.90x = 62,982.65 × 11,997.39
  4. Step 4: Simplify right side
    41,982.90x = 755,627,415.28
  5. Step 5: Solve for x
    x = 755,627,415.28/41,982.90
  6. Step 6: Final answer
    x = 17,998.46

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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.