Home / 22,505.20-33,712.94-13,615.80

Finding the Fourth Proportional to 22,505.20, 33,712.94 and 13,615.80

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Solution

The fourth proportional to 22,505.20, 33,712.94 and 13,615.80 is: 20,396.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,505.20 : 33,712.94 = 13,615.80 : x
  2. Step 2: Convert to fraction form
    22,505.20/33,712.94 = 13,615.80/x
  3. Step 3: Cross multiply
    22,505.20x = 33,712.94 × 13,615.80
  4. Step 4: Simplify right side
    22,505.20x = 459,028,648.45
  5. Step 5: Solve for x
    x = 459,028,648.45/22,505.20
  6. Step 6: Final answer
    x = 20,396.56

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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.