Home / 18,568.20-27,845.36-7,471.14

Finding the Fourth Proportional to 18,568.20, 27,845.36 and 7,471.14

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Solution

The fourth proportional to 18,568.20, 27,845.36 and 7,471.14 is: 11,203.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.20 : 27,845.36 = 7,471.14 : x
  2. Step 2: Convert to fraction form
    18,568.20/27,845.36 = 7,471.14/x
  3. Step 3: Cross multiply
    18,568.20x = 27,845.36 × 7,471.14
  4. Step 4: Simplify right side
    18,568.20x = 208,036,582.91
  5. Step 5: Solve for x
    x = 208,036,582.91/18,568.20
  6. Step 6: Final answer
    x = 11,203.92

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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.