Home / 13,633.96-20,450.86-3,773.14

Finding the Fourth Proportional to 13,633.96, 20,450.86 and 3,773.14

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Solution

The fourth proportional to 13,633.96, 20,450.86 and 3,773.14 is: 5,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.96 : 20,450.86 = 3,773.14 : x
  2. Step 2: Convert to fraction form
    13,633.96/20,450.86 = 3,773.14/x
  3. Step 3: Cross multiply
    13,633.96x = 20,450.86 × 3,773.14
  4. Step 4: Simplify right side
    13,633.96x = 77,163,957.90
  5. Step 5: Solve for x
    x = 77,163,957.90/13,633.96
  6. Step 6: Final answer
    x = 5,659.69

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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.