Home / 20,194.29-27,863.60-12,124.26

Finding the Fourth Proportional to 20,194.29, 27,863.60 and 12,124.26

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Solution

The fourth proportional to 20,194.29, 27,863.60 and 12,124.26 is: 16,728.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.29 : 27,863.60 = 12,124.26 : x
  2. Step 2: Convert to fraction form
    20,194.29/27,863.60 = 12,124.26/x
  3. Step 3: Cross multiply
    20,194.29x = 27,863.60 × 12,124.26
  4. Step 4: Simplify right side
    20,194.29x = 337,825,470.31
  5. Step 5: Solve for x
    x = 337,825,470.31/20,194.29
  6. Step 6: Final answer
    x = 16,728.76

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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.