Home / 18,403.31-27,610.49-5,752.55

Finding the Fourth Proportional to 18,403.31, 27,610.49 and 5,752.55

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Solution

The fourth proportional to 18,403.31, 27,610.49 and 5,752.55 is: 8,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,403.31 : 27,610.49 = 5,752.55 : x
  2. Step 2: Convert to fraction form
    18,403.31/27,610.49 = 5,752.55/x
  3. Step 3: Cross multiply
    18,403.31x = 27,610.49 × 5,752.55
  4. Step 4: Simplify right side
    18,403.31x = 158,830,807.66
  5. Step 5: Solve for x
    x = 158,830,807.66/18,403.31
  6. Step 6: Final answer
    x = 8,630.56

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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.