Home / 19,941.91-27,520.92-11,443.96

Finding the Fourth Proportional to 19,941.91, 27,520.92 and 11,443.96

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Solution

The fourth proportional to 19,941.91, 27,520.92 and 11,443.96 is: 15,793.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,941.91 : 27,520.92 = 11,443.96 : x
  2. Step 2: Convert to fraction form
    19,941.91/27,520.92 = 11,443.96/x
  3. Step 3: Cross multiply
    19,941.91x = 27,520.92 × 11,443.96
  4. Step 4: Simplify right side
    19,941.91x = 314,948,323.56
  5. Step 5: Solve for x
    x = 314,948,323.56/19,941.91
  6. Step 6: Final answer
    x = 15,793.29

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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.