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Finding the Fourth Proportional to 18,751.74, 25,882.98 and 10,799.55

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Solution

The fourth proportional to 18,751.74, 25,882.98 and 10,799.55 is: 14,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751.74 : 25,882.98 = 10,799.55 : x
  2. Step 2: Convert to fraction form
    18,751.74/25,882.98 = 10,799.55/x
  3. Step 3: Cross multiply
    18,751.74x = 25,882.98 × 10,799.55
  4. Step 4: Simplify right side
    18,751.74x = 279,524,536.66
  5. Step 5: Solve for x
    x = 279,524,536.66/18,751.74
  6. Step 6: Final answer
    x = 14,906.59

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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.