Home / 18,629.42-27,941.38-6,149.86

Finding the Fourth Proportional to 18,629.42, 27,941.38 and 6,149.86

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Solution

The fourth proportional to 18,629.42, 27,941.38 and 6,149.86 is: 9,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.42 : 27,941.38 = 6,149.86 : x
  2. Step 2: Convert to fraction form
    18,629.42/27,941.38 = 6,149.86/x
  3. Step 3: Cross multiply
    18,629.42x = 27,941.38 × 6,149.86
  4. Step 4: Simplify right side
    18,629.42x = 171,835,489.98
  5. Step 5: Solve for x
    x = 171,835,489.98/18,629.42
  6. Step 6: Final answer
    x = 9,223.88

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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.