Home / 22,163.22-33,248.88-13,387.68

Finding the Fourth Proportional to 22,163.22, 33,248.88 and 13,387.68

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Solution

The fourth proportional to 22,163.22, 33,248.88 and 13,387.68 is: 20,083.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,163.22 : 33,248.88 = 13,387.68 : x
  2. Step 2: Convert to fraction form
    22,163.22/33,248.88 = 13,387.68/x
  3. Step 3: Cross multiply
    22,163.22x = 33,248.88 × 13,387.68
  4. Step 4: Simplify right side
    22,163.22x = 445,125,365.80
  5. Step 5: Solve for x
    x = 445,125,365.80/22,163.22
  6. Step 6: Final answer
    x = 20,083.97

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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.