Home / 18,512.52-25,545.33-10,959.18

Finding the Fourth Proportional to 18,512.52, 25,545.33 and 10,959.18

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Solution

The fourth proportional to 18,512.52, 25,545.33 and 10,959.18 is: 15,122.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.52 : 25,545.33 = 10,959.18 : x
  2. Step 2: Convert to fraction form
    18,512.52/25,545.33 = 10,959.18/x
  3. Step 3: Cross multiply
    18,512.52x = 25,545.33 × 10,959.18
  4. Step 4: Simplify right side
    18,512.52x = 279,955,869.63
  5. Step 5: Solve for x
    x = 279,955,869.63/18,512.52
  6. Step 6: Final answer
    x = 15,122.52

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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.