Home / 13,633.94-20,450.33-4,273.75

Finding the Fourth Proportional to 13,633.94, 20,450.33 and 4,273.75

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Solution

The fourth proportional to 13,633.94, 20,450.33 and 4,273.75 is: 6,410.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.94 : 20,450.33 = 4,273.75 : x
  2. Step 2: Convert to fraction form
    13,633.94/20,450.33 = 4,273.75/x
  3. Step 3: Cross multiply
    13,633.94x = 20,450.33 × 4,273.75
  4. Step 4: Simplify right side
    13,633.94x = 87,399,597.84
  5. Step 5: Solve for x
    x = 87,399,597.84/13,633.94
  6. Step 6: Final answer
    x = 6,410.44

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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.