Home / 18,494.13-27,722.06-9,121.62

Finding the Fourth Proportional to 18,494.13, 27,722.06 and 9,121.62

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Solution

The fourth proportional to 18,494.13, 27,722.06 and 9,121.62 is: 13,673.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,494.13 : 27,722.06 = 9,121.62 : x
  2. Step 2: Convert to fraction form
    18,494.13/27,722.06 = 9,121.62/x
  3. Step 3: Cross multiply
    18,494.13x = 27,722.06 × 9,121.62
  4. Step 4: Simplify right side
    18,494.13x = 252,870,189.05
  5. Step 5: Solve for x
    x = 252,870,189.05/18,494.13
  6. Step 6: Final answer
    x = 13,673.00

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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.