Home / 18,516.25-25,552.43-10,132.75

Finding the Fourth Proportional to 18,516.25, 25,552.43 and 10,132.75

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Solution

The fourth proportional to 18,516.25, 25,552.43 and 10,132.75 is: 13,983.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.25 : 25,552.43 = 10,132.75 : x
  2. Step 2: Convert to fraction form
    18,516.25/25,552.43 = 10,132.75/x
  3. Step 3: Cross multiply
    18,516.25x = 25,552.43 × 10,132.75
  4. Step 4: Simplify right side
    18,516.25x = 258,916,385.08
  5. Step 5: Solve for x
    x = 258,916,385.08/18,516.25
  6. Step 6: Final answer
    x = 13,983.20

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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.