Home / 19,974.57-27,568.26-12,017.54

Finding the Fourth Proportional to 19,974.57, 27,568.26 and 12,017.54

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Solution

The fourth proportional to 19,974.57, 27,568.26 and 12,017.54 is: 16,586.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.57 : 27,568.26 = 12,017.54 : x
  2. Step 2: Convert to fraction form
    19,974.57/27,568.26 = 12,017.54/x
  3. Step 3: Cross multiply
    19,974.57x = 27,568.26 × 12,017.54
  4. Step 4: Simplify right side
    19,974.57x = 331,302,529.44
  5. Step 5: Solve for x
    x = 331,302,529.44/19,974.57
  6. Step 6: Final answer
    x = 16,586.22

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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.