Home / 13,344.06-20,017.22-3,983.48

Finding the Fourth Proportional to 13,344.06, 20,017.22 and 3,983.48

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Solution

The fourth proportional to 13,344.06, 20,017.22 and 3,983.48 is: 5,975.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.06 : 20,017.22 = 3,983.48 : x
  2. Step 2: Convert to fraction form
    13,344.06/20,017.22 = 3,983.48/x
  3. Step 3: Cross multiply
    13,344.06x = 20,017.22 × 3,983.48
  4. Step 4: Simplify right side
    13,344.06x = 79,738,195.53
  5. Step 5: Solve for x
    x = 79,738,195.53/13,344.06
  6. Step 6: Final answer
    x = 5,975.56

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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.