Home / 18,657.25-25,747.02-10,273.75

Finding the Fourth Proportional to 18,657.25, 25,747.02 and 10,273.75

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Solution

The fourth proportional to 18,657.25, 25,747.02 and 10,273.75 is: 14,177.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657.25 : 25,747.02 = 10,273.75 : x
  2. Step 2: Convert to fraction form
    18,657.25/25,747.02 = 10,273.75/x
  3. Step 3: Cross multiply
    18,657.25x = 25,747.02 × 10,273.75
  4. Step 4: Simplify right side
    18,657.25x = 264,518,446.73
  5. Step 5: Solve for x
    x = 264,518,446.73/18,657.25
  6. Step 6: Final answer
    x = 14,177.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.