Home / 18,422.51-27,633.68-5,274.88

Finding the Fourth Proportional to 18,422.51, 27,633.68 and 5,274.88

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Solution

The fourth proportional to 18,422.51, 27,633.68 and 5,274.88 is: 7,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,422.51 : 27,633.68 = 5,274.88 : x
  2. Step 2: Convert to fraction form
    18,422.51/27,633.68 = 5,274.88/x
  3. Step 3: Cross multiply
    18,422.51x = 27,633.68 × 5,274.88
  4. Step 4: Simplify right side
    18,422.51x = 145,764,194.60
  5. Step 5: Solve for x
    x = 145,764,194.60/18,422.51
  6. Step 6: Final answer
    x = 7,912.29

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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.