Home / 18,251.48-25,186.92-10,293.78

Finding the Fourth Proportional to 18,251.48, 25,186.92 and 10,293.78

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Solution

The fourth proportional to 18,251.48, 25,186.92 and 10,293.78 is: 14,205.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.48 : 25,186.92 = 10,293.78 : x
  2. Step 2: Convert to fraction form
    18,251.48/25,186.92 = 10,293.78/x
  3. Step 3: Cross multiply
    18,251.48x = 25,186.92 × 10,293.78
  4. Step 4: Simplify right side
    18,251.48x = 259,268,613.36
  5. Step 5: Solve for x
    x = 259,268,613.36/18,251.48
  6. Step 6: Final answer
    x = 14,205.35

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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.