Home / 13,633.83-20,449.14-3,773.86

Finding the Fourth Proportional to 13,633.83, 20,449.14 and 3,773.86

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Solution

The fourth proportional to 13,633.83, 20,449.14 and 3,773.86 is: 5,660.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.83 : 20,449.14 = 3,773.86 : x
  2. Step 2: Convert to fraction form
    13,633.83/20,449.14 = 3,773.86/x
  3. Step 3: Cross multiply
    13,633.83x = 20,449.14 × 3,773.86
  4. Step 4: Simplify right side
    13,633.83x = 77,172,191.48
  5. Step 5: Solve for x
    x = 77,172,191.48/13,633.83
  6. Step 6: Final answer
    x = 5,660.35

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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.