Home / 18,133.21-27,199.82-5,654.24

Finding the Fourth Proportional to 18,133.21, 27,199.82 and 5,654.24

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Solution

The fourth proportional to 18,133.21, 27,199.82 and 5,654.24 is: 8,481.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,133.21 : 27,199.82 = 5,654.24 : x
  2. Step 2: Convert to fraction form
    18,133.21/27,199.82 = 5,654.24/x
  3. Step 3: Cross multiply
    18,133.21x = 27,199.82 × 5,654.24
  4. Step 4: Simplify right side
    18,133.21x = 153,794,258.57
  5. Step 5: Solve for x
    x = 153,794,258.57/18,133.21
  6. Step 6: Final answer
    x = 8,481.36

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.