Home / 13,695.24-20,540.50-3,832.20

Finding the Fourth Proportional to 13,695.24, 20,540.50 and 3,832.20

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Solution

The fourth proportional to 13,695.24, 20,540.50 and 3,832.20 is: 5,747.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.24 : 20,540.50 = 3,832.20 : x
  2. Step 2: Convert to fraction form
    13,695.24/20,540.50 = 3,832.20/x
  3. Step 3: Cross multiply
    13,695.24x = 20,540.50 × 3,832.20
  4. Step 4: Simplify right side
    13,695.24x = 78,715,304.10
  5. Step 5: Solve for x
    x = 78,715,304.10/13,695.24
  6. Step 6: Final answer
    x = 5,747.64

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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.