Home / 19,542.05-29,171.57-17,177.45

Finding the Fourth Proportional to 19,542.05, 29,171.57 and 17,177.45

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Solution

The fourth proportional to 19,542.05, 29,171.57 and 17,177.45 is: 25,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.05 : 29,171.57 = 17,177.45 : x
  2. Step 2: Convert to fraction form
    19,542.05/29,171.57 = 17,177.45/x
  3. Step 3: Cross multiply
    19,542.05x = 29,171.57 × 17,177.45
  4. Step 4: Simplify right side
    19,542.05x = 501,093,251.55
  5. Step 5: Solve for x
    x = 501,093,251.55/19,542.05
  6. Step 6: Final answer
    x = 25,641.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.