Home / 19,542.35-29,243.45-16,918.88

Finding the Fourth Proportional to 19,542.35, 29,243.45 and 16,918.88

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Solution

The fourth proportional to 19,542.35, 29,243.45 and 16,918.88 is: 25,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.35 : 29,243.45 = 16,918.88 : x
  2. Step 2: Convert to fraction form
    19,542.35/29,243.45 = 16,918.88/x
  3. Step 3: Cross multiply
    19,542.35x = 29,243.45 × 16,918.88
  4. Step 4: Simplify right side
    19,542.35x = 494,766,334.75
  5. Step 5: Solve for x
    x = 494,766,334.75/19,542.35
  6. Step 6: Final answer
    x = 25,317.65

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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.