Home / 13,727.94-20,584.11-5,403.44

Finding the Fourth Proportional to 13,727.94, 20,584.11 and 5,403.44

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Solution

The fourth proportional to 13,727.94, 20,584.11 and 5,403.44 is: 8,102.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.94 : 20,584.11 = 5,403.44 : x
  2. Step 2: Convert to fraction form
    13,727.94/20,584.11 = 5,403.44/x
  3. Step 3: Cross multiply
    13,727.94x = 20,584.11 × 5,403.44
  4. Step 4: Simplify right side
    13,727.94x = 111,225,027.78
  5. Step 5: Solve for x
    x = 111,225,027.78/13,727.94
  6. Step 6: Final answer
    x = 8,102.09

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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.