Home / 18,569.20-27,845.97-7,891.24

Finding the Fourth Proportional to 18,569.20, 27,845.97 and 7,891.24

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Solution

The fourth proportional to 18,569.20, 27,845.97 and 7,891.24 is: 11,833.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,569.20 : 27,845.97 = 7,891.24 : x
  2. Step 2: Convert to fraction form
    18,569.20/27,845.97 = 7,891.24/x
  3. Step 3: Cross multiply
    18,569.20x = 27,845.97 × 7,891.24
  4. Step 4: Simplify right side
    18,569.20x = 219,739,232.30
  5. Step 5: Solve for x
    x = 219,739,232.30/18,569.20
  6. Step 6: Final answer
    x = 11,833.53

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1.5x scale

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.