Home / 26,576.70-39,951.45-18,839.10

Finding the Fourth Proportional to 26,576.70, 39,951.45 and 18,839.10

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Solution

The fourth proportional to 26,576.70, 39,951.45 and 18,839.10 is: 28,319.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,576.70 : 39,951.45 = 18,839.10 : x
  2. Step 2: Convert to fraction form
    26,576.70/39,951.45 = 18,839.10/x
  3. Step 3: Cross multiply
    26,576.70x = 39,951.45 × 18,839.10
  4. Step 4: Simplify right side
    26,576.70x = 752,649,361.70
  5. Step 5: Solve for x
    x = 752,649,361.70/26,576.70
  6. Step 6: Final answer
    x = 28,319.90

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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.