Home / 18,627.82-27,945.18-6,148.71

Finding the Fourth Proportional to 18,627.82, 27,945.18 and 6,148.71

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Solution

The fourth proportional to 18,627.82, 27,945.18 and 6,148.71 is: 9,224.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.82 : 27,945.18 = 6,148.71 : x
  2. Step 2: Convert to fraction form
    18,627.82/27,945.18 = 6,148.71/x
  3. Step 3: Cross multiply
    18,627.82x = 27,945.18 × 6,148.71
  4. Step 4: Simplify right side
    18,627.82x = 171,826,807.72
  5. Step 5: Solve for x
    x = 171,826,807.72/18,627.82
  6. Step 6: Final answer
    x = 9,224.21

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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.