Home / 13,697.74-20,542.29-3,836.26

Finding the Fourth Proportional to 13,697.74, 20,542.29 and 3,836.26

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Solution

The fourth proportional to 13,697.74, 20,542.29 and 3,836.26 is: 5,753.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,697.74 : 20,542.29 = 3,836.26 : x
  2. Step 2: Convert to fraction form
    13,697.74/20,542.29 = 3,836.26/x
  3. Step 3: Cross multiply
    13,697.74x = 20,542.29 × 3,836.26
  4. Step 4: Simplify right side
    13,697.74x = 78,805,565.44
  5. Step 5: Solve for x
    x = 78,805,565.44/13,697.74
  6. Step 6: Final answer
    x = 5,753.18

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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.