Home / 18,449.93-25,452.17-10,891.21

Finding the Fourth Proportional to 18,449.93, 25,452.17 and 10,891.21

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Solution

The fourth proportional to 18,449.93, 25,452.17 and 10,891.21 is: 15,024.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.93 : 25,452.17 = 10,891.21 : x
  2. Step 2: Convert to fraction form
    18,449.93/25,452.17 = 10,891.21/x
  3. Step 3: Cross multiply
    18,449.93x = 25,452.17 × 10,891.21
  4. Step 4: Simplify right side
    18,449.93x = 277,204,960.17
  5. Step 5: Solve for x
    x = 277,204,960.17/18,449.93
  6. Step 6: Final answer
    x = 15,024.72

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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.