Home / 26,440.96-36,494.39-20,687.06

Finding the Fourth Proportional to 26,440.96, 36,494.39 and 20,687.06

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Solution

The fourth proportional to 26,440.96, 36,494.39 and 20,687.06 is: 28,552.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,440.96 : 36,494.39 = 20,687.06 : x
  2. Step 2: Convert to fraction form
    26,440.96/36,494.39 = 20,687.06/x
  3. Step 3: Cross multiply
    26,440.96x = 36,494.39 × 20,687.06
  4. Step 4: Simplify right side
    26,440.96x = 754,961,635.59
  5. Step 5: Solve for x
    x = 754,961,635.59/26,440.96
  6. Step 6: Final answer
    x = 28,552.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.