Home / 18,986.79-26,195.96-11,027.43

Finding the Fourth Proportional to 18,986.79, 26,195.96 and 11,027.43

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Solution

The fourth proportional to 18,986.79, 26,195.96 and 11,027.43 is: 15,214.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986.79 : 26,195.96 = 11,027.43 : x
  2. Step 2: Convert to fraction form
    18,986.79/26,195.96 = 11,027.43/x
  3. Step 3: Cross multiply
    18,986.79x = 26,195.96 × 11,027.43
  4. Step 4: Simplify right side
    18,986.79x = 288,874,060.05
  5. Step 5: Solve for x
    x = 288,874,060.05/18,986.79
  6. Step 6: Final answer
    x = 15,214.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.