Home / 26,635.57-39,942.96-9,986.53

Finding the Fourth Proportional to 26,635.57, 39,942.96 and 9,986.53

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Solution

The fourth proportional to 26,635.57, 39,942.96 and 9,986.53 is: 14,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,635.57 : 39,942.96 = 9,986.53 : x
  2. Step 2: Convert to fraction form
    26,635.57/39,942.96 = 9,986.53/x
  3. Step 3: Cross multiply
    26,635.57x = 39,942.96 × 9,986.53
  4. Step 4: Simplify right side
    26,635.57x = 398,891,568.33
  5. Step 5: Solve for x
    x = 398,891,568.33/26,635.57
  6. Step 6: Final answer
    x = 14,975.90

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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.