Home / 17,974.14-26,969.79-8,116.44

Finding the Fourth Proportional to 17,974.14, 26,969.79 and 8,116.44

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Solution

The fourth proportional to 17,974.14, 26,969.79 and 8,116.44 is: 12,178.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,974.14 : 26,969.79 = 8,116.44 : x
  2. Step 2: Convert to fraction form
    17,974.14/26,969.79 = 8,116.44/x
  3. Step 3: Cross multiply
    17,974.14x = 26,969.79 × 8,116.44
  4. Step 4: Simplify right side
    17,974.14x = 218,898,682.35
  5. Step 5: Solve for x
    x = 218,898,682.35/17,974.14
  6. Step 6: Final answer
    x = 12,178.53

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1.5x scale

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.