Home / 18,422.54-27,633.69-5,274.96

Finding the Fourth Proportional to 18,422.54, 27,633.69 and 5,274.96

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Solution

The fourth proportional to 18,422.54, 27,633.69 and 5,274.96 is: 7,912.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.54 : 27,633.69 = 5,274.96 : x
  2. Step 2: Convert to fraction form
    18,422.54/27,633.69 = 5,274.96/x
  3. Step 3: Cross multiply
    18,422.54x = 27,633.69 × 5,274.96
  4. Step 4: Simplify right side
    18,422.54x = 145,766,505.78
  5. Step 5: Solve for x
    x = 145,766,505.78/18,422.54
  6. Step 6: Final answer
    x = 7,912.40

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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.