Home / 18,581.10-27,904.05-17,997.90

Finding the Fourth Proportional to 18,581.10, 27,904.05 and 17,997.90

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Solution

The fourth proportional to 18,581.10, 27,904.05 and 17,997.90 is: 27,028.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.10 : 27,904.05 = 17,997.90 : x
  2. Step 2: Convert to fraction form
    18,581.10/27,904.05 = 17,997.90/x
  3. Step 3: Cross multiply
    18,581.10x = 27,904.05 × 17,997.90
  4. Step 4: Simplify right side
    18,581.10x = 502,214,301.50
  5. Step 5: Solve for x
    x = 502,214,301.50/18,581.10
  6. Step 6: Final answer
    x = 27,028.23

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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.