Home / 18,498.92-25,528.38-10,115.44

Finding the Fourth Proportional to 18,498.92, 25,528.38 and 10,115.44

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Solution

The fourth proportional to 18,498.92, 25,528.38 and 10,115.44 is: 13,959.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.92 : 25,528.38 = 10,115.44 : x
  2. Step 2: Convert to fraction form
    18,498.92/25,528.38 = 10,115.44/x
  3. Step 3: Cross multiply
    18,498.92x = 25,528.38 × 10,115.44
  4. Step 4: Simplify right side
    18,498.92x = 258,230,796.19
  5. Step 5: Solve for x
    x = 258,230,796.19/18,498.92
  6. Step 6: Final answer
    x = 13,959.24

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Half scale
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Double 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.