Home / 19,744.56-29,621.66-13,912.56

Finding the Fourth Proportional to 19,744.56, 29,621.66 and 13,912.56

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Solution

The fourth proportional to 19,744.56, 29,621.66 and 13,912.56 is: 20,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,744.56 : 29,621.66 = 13,912.56 : x
  2. Step 2: Convert to fraction form
    19,744.56/29,621.66 = 13,912.56/x
  3. Step 3: Cross multiply
    19,744.56x = 29,621.66 × 13,912.56
  4. Step 4: Simplify right side
    19,744.56x = 412,113,052.49
  5. Step 5: Solve for x
    x = 412,113,052.49/19,744.56
  6. Step 6: Final answer
    x = 20,872.23

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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.