Home / 18,254.22-27,374.63-8,891.43

Finding the Fourth Proportional to 18,254.22, 27,374.63 and 8,891.43

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Solution

The fourth proportional to 18,254.22, 27,374.63 and 8,891.43 is: 13,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,254.22 : 27,374.63 = 8,891.43 : x
  2. Step 2: Convert to fraction form
    18,254.22/27,374.63 = 8,891.43/x
  3. Step 3: Cross multiply
    18,254.22x = 27,374.63 × 8,891.43
  4. Step 4: Simplify right side
    18,254.22x = 243,399,561.96
  5. Step 5: Solve for x
    x = 243,399,561.96/18,254.22
  6. Step 6: Final answer
    x = 13,333.88

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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.