Home / 18,271.52-27,407.07-5,791.53

Finding the Fourth Proportional to 18,271.52, 27,407.07 and 5,791.53

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Solution

The fourth proportional to 18,271.52, 27,407.07 and 5,791.53 is: 8,687.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,271.52 : 27,407.07 = 5,791.53 : x
  2. Step 2: Convert to fraction form
    18,271.52/27,407.07 = 5,791.53/x
  3. Step 3: Cross multiply
    18,271.52x = 27,407.07 × 5,791.53
  4. Step 4: Simplify right side
    18,271.52x = 158,728,868.12
  5. Step 5: Solve for x
    x = 158,728,868.12/18,271.52
  6. Step 6: Final answer
    x = 8,687.23

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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.