Home / 13,344.06-20,017.23-3,983.49

Finding the Fourth Proportional to 13,344.06, 20,017.23 and 3,983.49

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Solution

The fourth proportional to 13,344.06, 20,017.23 and 3,983.49 is: 5,975.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,344.06 : 20,017.23 = 3,983.49 : x
  2. Step 2: Convert to fraction form
    13,344.06/20,017.23 = 3,983.49/x
  3. Step 3: Cross multiply
    13,344.06x = 20,017.23 × 3,983.49
  4. Step 4: Simplify right side
    13,344.06x = 79,738,435.53
  5. Step 5: Solve for x
    x = 79,738,435.53/13,344.06
  6. Step 6: Final answer
    x = 5,975.58

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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.