Home / 25,500.99-38,251.43-6,781.03

Finding the Fourth Proportional to 25,500.99, 38,251.43 and 6,781.03

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Solution

The fourth proportional to 25,500.99, 38,251.43 and 6,781.03 is: 10,171.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,500.99 : 38,251.43 = 6,781.03 : x
  2. Step 2: Convert to fraction form
    25,500.99/38,251.43 = 6,781.03/x
  3. Step 3: Cross multiply
    25,500.99x = 38,251.43 × 6,781.03
  4. Step 4: Simplify right side
    25,500.99x = 259,384,243.58
  5. Step 5: Solve for x
    x = 259,384,243.58/25,500.99
  6. Step 6: Final answer
    x = 10,171.53

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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.