Home / 20,001.86-29,974.82-9,467.80

Finding the Fourth Proportional to 20,001.86, 29,974.82 and 9,467.80

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Solution

The fourth proportional to 20,001.86, 29,974.82 and 9,467.80 is: 14,188.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,001.86 : 29,974.82 = 9,467.80 : x
  2. Step 2: Convert to fraction form
    20,001.86/29,974.82 = 9,467.80/x
  3. Step 3: Cross multiply
    20,001.86x = 29,974.82 × 9,467.80
  4. Step 4: Simplify right side
    20,001.86x = 283,795,600.80
  5. Step 5: Solve for x
    x = 283,795,600.80/20,001.86
  6. Step 6: Final answer
    x = 14,188.46

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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.