Home / 20,191.41-27,747.27-19,265.31

Finding the Fourth Proportional to 20,191.41, 27,747.27 and 19,265.31

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Solution

The fourth proportional to 20,191.41, 27,747.27 and 19,265.31 is: 26,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191.41 : 27,747.27 = 19,265.31 : x
  2. Step 2: Convert to fraction form
    20,191.41/27,747.27 = 19,265.31/x
  3. Step 3: Cross multiply
    20,191.41x = 27,747.27 × 19,265.31
  4. Step 4: Simplify right side
    20,191.41x = 534,559,758.20
  5. Step 5: Solve for x
    x = 534,559,758.20/20,191.41
  6. Step 6: Final answer
    x = 26,474.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.