Home / 18,288.08-27,429.32-5,806.49

Finding the Fourth Proportional to 18,288.08, 27,429.32 and 5,806.49

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Solution

The fourth proportional to 18,288.08, 27,429.32 and 5,806.49 is: 8,708.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,288.08 : 27,429.32 = 5,806.49 : x
  2. Step 2: Convert to fraction form
    18,288.08/27,429.32 = 5,806.49/x
  3. Step 3: Cross multiply
    18,288.08x = 27,429.32 × 5,806.49
  4. Step 4: Simplify right side
    18,288.08x = 159,267,906.11
  5. Step 5: Solve for x
    x = 159,267,906.11/18,288.08
  6. Step 6: Final answer
    x = 8,708.84

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.