Home / 20,625.48-28,463.17-11,194.04

Finding the Fourth Proportional to 20,625.48, 28,463.17 and 11,194.04

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Solution

The fourth proportional to 20,625.48, 28,463.17 and 11,194.04 is: 15,447.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.48 : 28,463.17 = 11,194.04 : x
  2. Step 2: Convert to fraction form
    20,625.48/28,463.17 = 11,194.04/x
  3. Step 3: Cross multiply
    20,625.48x = 28,463.17 × 11,194.04
  4. Step 4: Simplify right side
    20,625.48x = 318,617,879.10
  5. Step 5: Solve for x
    x = 318,617,879.10/20,625.48
  6. Step 6: Final answer
    x = 15,447.78

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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.