Home / 26,940.75-40,410.18-8,220.03

Finding the Fourth Proportional to 26,940.75, 40,410.18 and 8,220.03

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Solution

The fourth proportional to 26,940.75, 40,410.18 and 8,220.03 is: 12,329.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,940.75 : 40,410.18 = 8,220.03 : x
  2. Step 2: Convert to fraction form
    26,940.75/40,410.18 = 8,220.03/x
  3. Step 3: Cross multiply
    26,940.75x = 40,410.18 × 8,220.03
  4. Step 4: Simplify right side
    26,940.75x = 332,172,891.91
  5. Step 5: Solve for x
    x = 332,172,891.91/26,940.75
  6. Step 6: Final answer
    x = 12,329.76

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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.