Home / 19,540.97-29,291.96-7,687.33

Finding the Fourth Proportional to 19,540.97, 29,291.96 and 7,687.33

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Solution

The fourth proportional to 19,540.97, 29,291.96 and 7,687.33 is: 11,523.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.97 : 29,291.96 = 7,687.33 : x
  2. Step 2: Convert to fraction form
    19,540.97/29,291.96 = 7,687.33/x
  3. Step 3: Cross multiply
    19,540.97x = 29,291.96 × 7,687.33
  4. Step 4: Simplify right side
    19,540.97x = 225,176,908.86
  5. Step 5: Solve for x
    x = 225,176,908.86/19,540.97
  6. Step 6: Final answer
    x = 11,523.32

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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.