Home / 18,286.52-25,224.86-11,013.55

Finding the Fourth Proportional to 18,286.52, 25,224.86 and 11,013.55

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Solution

The fourth proportional to 18,286.52, 25,224.86 and 11,013.55 is: 15,192.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.52 : 25,224.86 = 11,013.55 : x
  2. Step 2: Convert to fraction form
    18,286.52/25,224.86 = 11,013.55/x
  3. Step 3: Cross multiply
    18,286.52x = 25,224.86 × 11,013.55
  4. Step 4: Simplify right side
    18,286.52x = 277,815,221.32
  5. Step 5: Solve for x
    x = 277,815,221.32/18,286.52
  6. Step 6: Final answer
    x = 15,192.35

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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.