Home / 13,786.96-20,672.22-9,350.08

Finding the Fourth Proportional to 13,786.96, 20,672.22 and 9,350.08

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Solution

The fourth proportional to 13,786.96, 20,672.22 and 9,350.08 is: 14,019.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.96 : 20,672.22 = 9,350.08 : x
  2. Step 2: Convert to fraction form
    13,786.96/20,672.22 = 9,350.08/x
  3. Step 3: Cross multiply
    13,786.96x = 20,672.22 × 9,350.08
  4. Step 4: Simplify right side
    13,786.96x = 193,286,910.78
  5. Step 5: Solve for x
    x = 193,286,910.78/13,786.96
  6. Step 6: Final answer
    x = 14,019.55

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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.