Home / 26,916.46-40,380.78-8,198.18

Finding the Fourth Proportional to 26,916.46, 40,380.78 and 8,198.18

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Solution

The fourth proportional to 26,916.46, 40,380.78 and 8,198.18 is: 12,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,916.46 : 40,380.78 = 8,198.18 : x
  2. Step 2: Convert to fraction form
    26,916.46/40,380.78 = 8,198.18/x
  3. Step 3: Cross multiply
    26,916.46x = 40,380.78 × 8,198.18
  4. Step 4: Simplify right side
    26,916.46x = 331,048,902.98
  5. Step 5: Solve for x
    x = 331,048,902.98/26,916.46
  6. Step 6: Final answer
    x = 12,299.12

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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.