Home / 18,654.06-25,734.89-11,098.88

Finding the Fourth Proportional to 18,654.06, 25,734.89 and 11,098.88

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Solution

The fourth proportional to 18,654.06, 25,734.89 and 11,098.88 is: 15,311.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.06 : 25,734.89 = 11,098.88 : x
  2. Step 2: Convert to fraction form
    18,654.06/25,734.89 = 11,098.88/x
  3. Step 3: Cross multiply
    18,654.06x = 25,734.89 × 11,098.88
  4. Step 4: Simplify right side
    18,654.06x = 285,628,455.92
  5. Step 5: Solve for x
    x = 285,628,455.92/18,654.06
  6. Step 6: Final answer
    x = 15,311.87

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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.