Home / 13,836.29-20,755.37-3,975.35

Finding the Fourth Proportional to 13,836.29, 20,755.37 and 3,975.35

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Solution

The fourth proportional to 13,836.29, 20,755.37 and 3,975.35 is: 5,963.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.29 : 20,755.37 = 3,975.35 : x
  2. Step 2: Convert to fraction form
    13,836.29/20,755.37 = 3,975.35/x
  3. Step 3: Cross multiply
    13,836.29x = 20,755.37 × 3,975.35
  4. Step 4: Simplify right side
    13,836.29x = 82,509,766.29
  5. Step 5: Solve for x
    x = 82,509,766.29/13,836.29
  6. Step 6: Final answer
    x = 5,963.29

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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.