Home / 25,766.49-38,655.24-7,996.78

Finding the Fourth Proportional to 25,766.49, 38,655.24 and 7,996.78

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Solution

The fourth proportional to 25,766.49, 38,655.24 and 7,996.78 is: 11,996.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,766.49 : 38,655.24 = 7,996.78 : x
  2. Step 2: Convert to fraction form
    25,766.49/38,655.24 = 7,996.78/x
  3. Step 3: Cross multiply
    25,766.49x = 38,655.24 × 7,996.78
  4. Step 4: Simplify right side
    25,766.49x = 309,117,450.13
  5. Step 5: Solve for x
    x = 309,117,450.13/25,766.49
  6. Step 6: Final answer
    x = 11,996.88

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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.