Home / 18,301.61-27,454.14-5,153.96

Finding the Fourth Proportional to 18,301.61, 27,454.14 and 5,153.96

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Solution

The fourth proportional to 18,301.61, 27,454.14 and 5,153.96 is: 7,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.61 : 27,454.14 = 5,153.96 : x
  2. Step 2: Convert to fraction form
    18,301.61/27,454.14 = 5,153.96/x
  3. Step 3: Cross multiply
    18,301.61x = 27,454.14 × 5,153.96
  4. Step 4: Simplify right side
    18,301.61x = 141,497,608.03
  5. Step 5: Solve for x
    x = 141,497,608.03/18,301.61
  6. Step 6: Final answer
    x = 7,731.43

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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.