Home / 26,757.23-40,136.20-10,125.10

Finding the Fourth Proportional to 26,757.23, 40,136.20 and 10,125.10

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Solution

The fourth proportional to 26,757.23, 40,136.20 and 10,125.10 is: 15,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,757.23 : 40,136.20 = 10,125.10 : x
  2. Step 2: Convert to fraction form
    26,757.23/40,136.20 = 10,125.10/x
  3. Step 3: Cross multiply
    26,757.23x = 40,136.20 × 10,125.10
  4. Step 4: Simplify right side
    26,757.23x = 406,382,912.97
  5. Step 5: Solve for x
    x = 406,382,912.97/26,757.23
  6. Step 6: Final answer
    x = 15,187.78

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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.