Home / 13,524.22-20,297.85-7,969.42

Finding the Fourth Proportional to 13,524.22, 20,297.85 and 7,969.42

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Solution

The fourth proportional to 13,524.22, 20,297.85 and 7,969.42 is: 11,960.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.22 : 20,297.85 = 7,969.42 : x
  2. Step 2: Convert to fraction form
    13,524.22/20,297.85 = 7,969.42/x
  3. Step 3: Cross multiply
    13,524.22x = 20,297.85 × 7,969.42
  4. Step 4: Simplify right side
    13,524.22x = 161,762,091.75
  5. Step 5: Solve for x
    x = 161,762,091.75/13,524.22
  6. Step 6: Final answer
    x = 11,960.92

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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.