Home / 18,325.97-25,296.33-11,152.61

Finding the Fourth Proportional to 18,325.97, 25,296.33 and 11,152.61

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Solution

The fourth proportional to 18,325.97, 25,296.33 and 11,152.61 is: 15,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.97 : 25,296.33 = 11,152.61 : x
  2. Step 2: Convert to fraction form
    18,325.97/25,296.33 = 11,152.61/x
  3. Step 3: Cross multiply
    18,325.97x = 25,296.33 × 11,152.61
  4. Step 4: Simplify right side
    18,325.97x = 282,119,976.44
  5. Step 5: Solve for x
    x = 282,119,976.44/18,325.97
  6. Step 6: Final answer
    x = 15,394.55

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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.