Home / 18,488.25-25,514.19-10,104.75

Finding the Fourth Proportional to 18,488.25, 25,514.19 and 10,104.75

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Solution

The fourth proportional to 18,488.25, 25,514.19 and 10,104.75 is: 13,944.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.25 : 25,514.19 = 10,104.75 : x
  2. Step 2: Convert to fraction form
    18,488.25/25,514.19 = 10,104.75/x
  3. Step 3: Cross multiply
    18,488.25x = 25,514.19 × 10,104.75
  4. Step 4: Simplify right side
    18,488.25x = 257,814,511.40
  5. Step 5: Solve for x
    x = 257,814,511.40/18,488.25
  6. Step 6: Final answer
    x = 13,944.78

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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.