Home / 13,596.12-20,396.04-4,236.80

Finding the Fourth Proportional to 13,596.12, 20,396.04 and 4,236.80

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Solution

The fourth proportional to 13,596.12, 20,396.04 and 4,236.80 is: 6,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.12 : 20,396.04 = 4,236.80 : x
  2. Step 2: Convert to fraction form
    13,596.12/20,396.04 = 4,236.80/x
  3. Step 3: Cross multiply
    13,596.12x = 20,396.04 × 4,236.80
  4. Step 4: Simplify right side
    13,596.12x = 86,413,942.27
  5. Step 5: Solve for x
    x = 86,413,942.27/13,596.12
  6. Step 6: Final answer
    x = 6,355.78

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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.