Home / 16,811.26-23,198.72-9,739.96

Finding the Fourth Proportional to 16,811.26, 23,198.72 and 9,739.96

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Solution

The fourth proportional to 16,811.26, 23,198.72 and 9,739.96 is: 13,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.26 : 23,198.72 = 9,739.96 : x
  2. Step 2: Convert to fraction form
    16,811.26/23,198.72 = 9,739.96/x
  3. Step 3: Cross multiply
    16,811.26x = 23,198.72 × 9,739.96
  4. Step 4: Simplify right side
    16,811.26x = 225,954,604.85
  5. Step 5: Solve for x
    x = 225,954,604.85/16,811.26
  6. Step 6: Final answer
    x = 13,440.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.