Home / 25,789.47-38,618.55-16,997.73

Finding the Fourth Proportional to 25,789.47, 38,618.55 and 16,997.73

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Solution

The fourth proportional to 25,789.47, 38,618.55 and 16,997.73 is: 25,453.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,789.47 : 38,618.55 = 16,997.73 : x
  2. Step 2: Convert to fraction form
    25,789.47/38,618.55 = 16,997.73/x
  3. Step 3: Cross multiply
    25,789.47x = 38,618.55 × 16,997.73
  4. Step 4: Simplify right side
    25,789.47x = 656,427,492.80
  5. Step 5: Solve for x
    x = 656,427,492.80/25,789.47
  6. Step 6: Final answer
    x = 25,453.32

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1.5x scale

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.