Home / 26,198.88-36,074.39-19,747.89

Finding the Fourth Proportional to 26,198.88, 36,074.39 and 19,747.89

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Solution

The fourth proportional to 26,198.88, 36,074.39 and 19,747.89 is: 27,191.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,198.88 : 36,074.39 = 19,747.89 : x
  2. Step 2: Convert to fraction form
    26,198.88/36,074.39 = 19,747.89/x
  3. Step 3: Cross multiply
    26,198.88x = 36,074.39 × 19,747.89
  4. Step 4: Simplify right side
    26,198.88x = 712,392,986.80
  5. Step 5: Solve for x
    x = 712,392,986.80/26,198.88
  6. Step 6: Final answer
    x = 27,191.73

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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.