Home / 19,396.44-29,120.46-11,513.52

Finding the Fourth Proportional to 19,396.44, 29,120.46 and 11,513.52

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Solution

The fourth proportional to 19,396.44, 29,120.46 and 11,513.52 is: 17,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.44 : 29,120.46 = 11,513.52 : x
  2. Step 2: Convert to fraction form
    19,396.44/29,120.46 = 11,513.52/x
  3. Step 3: Cross multiply
    19,396.44x = 29,120.46 × 11,513.52
  4. Step 4: Simplify right side
    19,396.44x = 335,278,998.62
  5. Step 5: Solve for x
    x = 335,278,998.62/19,396.44
  6. Step 6: Final answer
    x = 17,285.59

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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.