Home / 26,591.71-36,700.60-20,207.89

Finding the Fourth Proportional to 26,591.71, 36,700.60 and 20,207.89

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Solution

The fourth proportional to 26,591.71, 36,700.60 and 20,207.89 is: 27,889.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,591.71 : 36,700.60 = 20,207.89 : x
  2. Step 2: Convert to fraction form
    26,591.71/36,700.60 = 20,207.89/x
  3. Step 3: Cross multiply
    26,591.71x = 36,700.60 × 20,207.89
  4. Step 4: Simplify right side
    26,591.71x = 741,641,687.73
  5. Step 5: Solve for x
    x = 741,641,687.73/26,591.71
  6. Step 6: Final answer
    x = 27,889.96

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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.