Home / 19,396.12-29,104.62-7,709.44

Finding the Fourth Proportional to 19,396.12, 29,104.62 and 7,709.44

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Solution

The fourth proportional to 19,396.12, 29,104.62 and 7,709.44 is: 11,568.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.12 : 29,104.62 = 7,709.44 : x
  2. Step 2: Convert to fraction form
    19,396.12/29,104.62 = 7,709.44/x
  3. Step 3: Cross multiply
    19,396.12x = 29,104.62 × 7,709.44
  4. Step 4: Simplify right side
    19,396.12x = 224,380,321.61
  5. Step 5: Solve for x
    x = 224,380,321.61/19,396.12
  6. Step 6: Final answer
    x = 11,568.31

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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.