Home / 18,727.27-25,843.49-10,229.39

Finding the Fourth Proportional to 18,727.27, 25,843.49 and 10,229.39

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Solution

The fourth proportional to 18,727.27, 25,843.49 and 10,229.39 is: 14,116.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,727.27 : 25,843.49 = 10,229.39 : x
  2. Step 2: Convert to fraction form
    18,727.27/25,843.49 = 10,229.39/x
  3. Step 3: Cross multiply
    18,727.27x = 25,843.49 × 10,229.39
  4. Step 4: Simplify right side
    18,727.27x = 264,363,093.08
  5. Step 5: Solve for x
    x = 264,363,093.08/18,727.27
  6. Step 6: Final answer
    x = 14,116.48

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Half scale
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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.