Home / 18,552.52-25,579.92-12,891.97

Finding the Fourth Proportional to 18,552.52, 25,579.92 and 12,891.97

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Solution

The fourth proportional to 18,552.52, 25,579.92 and 12,891.97 is: 17,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.52 : 25,579.92 = 12,891.97 : x
  2. Step 2: Convert to fraction form
    18,552.52/25,579.92 = 12,891.97/x
  3. Step 3: Cross multiply
    18,552.52x = 25,579.92 × 12,891.97
  4. Step 4: Simplify right side
    18,552.52x = 329,775,497.29
  5. Step 5: Solve for x
    x = 329,775,497.29/18,552.52
  6. Step 6: Final answer
    x = 17,775.24

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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.