Home / 18,824.73-28,241.43-5,677.22

Finding the Fourth Proportional to 18,824.73, 28,241.43 and 5,677.22

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Solution

The fourth proportional to 18,824.73, 28,241.43 and 5,677.22 is: 8,517.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.73 : 28,241.43 = 5,677.22 : x
  2. Step 2: Convert to fraction form
    18,824.73/28,241.43 = 5,677.22/x
  3. Step 3: Cross multiply
    18,824.73x = 28,241.43 × 5,677.22
  4. Step 4: Simplify right side
    18,824.73x = 160,332,670.02
  5. Step 5: Solve for x
    x = 160,332,670.02/18,824.73
  6. Step 6: Final answer
    x = 8,517.13

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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.