Home / 16,039.92-22,141.68-13,792.80

Finding the Fourth Proportional to 16,039.92, 22,141.68 and 13,792.80

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Solution

The fourth proportional to 16,039.92, 22,141.68 and 13,792.80 is: 19,039.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,039.92 : 22,141.68 = 13,792.80 : x
  2. Step 2: Convert to fraction form
    16,039.92/22,141.68 = 13,792.80/x
  3. Step 3: Cross multiply
    16,039.92x = 22,141.68 × 13,792.80
  4. Step 4: Simplify right side
    16,039.92x = 305,395,763.90
  5. Step 5: Solve for x
    x = 305,395,763.90/16,039.92
  6. Step 6: Final answer
    x = 19,039.73

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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.