Home / 18,616.96-25,691.52-10,119.16

Finding the Fourth Proportional to 18,616.96, 25,691.52 and 10,119.16

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Solution

The fourth proportional to 18,616.96, 25,691.52 and 10,119.16 is: 13,964.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.96 : 25,691.52 = 10,119.16 : x
  2. Step 2: Convert to fraction form
    18,616.96/25,691.52 = 10,119.16/x
  3. Step 3: Cross multiply
    18,616.96x = 25,691.52 × 10,119.16
  4. Step 4: Simplify right side
    18,616.96x = 259,976,601.52
  5. Step 5: Solve for x
    x = 259,976,601.52/18,616.96
  6. Step 6: Final answer
    x = 13,964.50

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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.