Home / 12,448.68-18,667.54-3,684.27

Finding the Fourth Proportional to 12,448.68, 18,667.54 and 3,684.27

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Solution

The fourth proportional to 12,448.68, 18,667.54 and 3,684.27 is: 5,524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,448.68 : 18,667.54 = 3,684.27 : x
  2. Step 2: Convert to fraction form
    12,448.68/18,667.54 = 3,684.27/x
  3. Step 3: Cross multiply
    12,448.68x = 18,667.54 × 3,684.27
  4. Step 4: Simplify right side
    12,448.68x = 68,776,257.60
  5. Step 5: Solve for x
    x = 68,776,257.60/12,448.68
  6. Step 6: Final answer
    x = 5,524.78

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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.