Home / 20,744.56-28,626.78-11,792.44

Finding the Fourth Proportional to 20,744.56, 28,626.78 and 11,792.44

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Solution

The fourth proportional to 20,744.56, 28,626.78 and 11,792.44 is: 16,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.56 : 28,626.78 = 11,792.44 : x
  2. Step 2: Convert to fraction form
    20,744.56/28,626.78 = 11,792.44/x
  3. Step 3: Cross multiply
    20,744.56x = 28,626.78 × 11,792.44
  4. Step 4: Simplify right side
    20,744.56x = 337,579,585.54
  5. Step 5: Solve for x
    x = 337,579,585.54/20,744.56
  6. Step 6: Final answer
    x = 16,273.16

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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.