Home / 26,713.66-40,079.68-11,932.78

Finding the Fourth Proportional to 26,713.66, 40,079.68 and 11,932.78

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Solution

The fourth proportional to 26,713.66, 40,079.68 and 11,932.78 is: 17,903.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,713.66 : 40,079.68 = 11,932.78 : x
  2. Step 2: Convert to fraction form
    26,713.66/40,079.68 = 11,932.78/x
  3. Step 3: Cross multiply
    26,713.66x = 40,079.68 × 11,932.78
  4. Step 4: Simplify right side
    26,713.66x = 478,262,003.91
  5. Step 5: Solve for x
    x = 478,262,003.91/26,713.66
  6. Step 6: Final answer
    x = 17,903.28

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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.