Home / 13,896.35-20,850.44-9,217.99

Finding the Fourth Proportional to 13,896.35, 20,850.44 and 9,217.99

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Solution

The fourth proportional to 13,896.35, 20,850.44 and 9,217.99 is: 13,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.35 : 20,850.44 = 9,217.99 : x
  2. Step 2: Convert to fraction form
    13,896.35/20,850.44 = 9,217.99/x
  3. Step 3: Cross multiply
    13,896.35x = 20,850.44 × 9,217.99
  4. Step 4: Simplify right side
    13,896.35x = 192,199,147.42
  5. Step 5: Solve for x
    x = 192,199,147.42/13,896.35
  6. Step 6: Final answer
    x = 13,830.91

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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.