Home / 18,297.87-27,450.18-5,821.04

Finding the Fourth Proportional to 18,297.87, 27,450.18 and 5,821.04

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Solution

The fourth proportional to 18,297.87, 27,450.18 and 5,821.04 is: 8,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.87 : 27,450.18 = 5,821.04 : x
  2. Step 2: Convert to fraction form
    18,297.87/27,450.18 = 5,821.04/x
  3. Step 3: Cross multiply
    18,297.87x = 27,450.18 × 5,821.04
  4. Step 4: Simplify right side
    18,297.87x = 159,788,458.54
  5. Step 5: Solve for x
    x = 159,788,458.54/18,297.87
  6. Step 6: Final answer
    x = 8,732.63

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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.