Home / 16,121.60-22,229.84-10,448.90

Finding the Fourth Proportional to 16,121.60, 22,229.84 and 10,448.90

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Solution

The fourth proportional to 16,121.60, 22,229.84 and 10,448.90 is: 14,407.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,121.60 : 22,229.84 = 10,448.90 : x
  2. Step 2: Convert to fraction form
    16,121.60/22,229.84 = 10,448.90/x
  3. Step 3: Cross multiply
    16,121.60x = 22,229.84 × 10,448.90
  4. Step 4: Simplify right side
    16,121.60x = 232,277,456.87
  5. Step 5: Solve for x
    x = 232,277,456.87/16,121.60
  6. Step 6: Final answer
    x = 14,407.84

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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.