Home / 26,934.53-40,404.13-8,218.78

Finding the Fourth Proportional to 26,934.53, 40,404.13 and 8,218.78

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Solution

The fourth proportional to 26,934.53, 40,404.13 and 8,218.78 is: 12,328.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,934.53 : 40,404.13 = 8,218.78 : x
  2. Step 2: Convert to fraction form
    26,934.53/40,404.13 = 8,218.78/x
  3. Step 3: Cross multiply
    26,934.53x = 40,404.13 × 8,218.78
  4. Step 4: Simplify right side
    26,934.53x = 332,072,534.00
  5. Step 5: Solve for x
    x = 332,072,534.00/26,934.53
  6. Step 6: Final answer
    x = 12,328.88

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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.