Home / 19,998.36-29,997.42-11,239.44

Finding the Fourth Proportional to 19,998.36, 29,997.42 and 11,239.44

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Solution

The fourth proportional to 19,998.36, 29,997.42 and 11,239.44 is: 16,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.36 : 29,997.42 = 11,239.44 : x
  2. Step 2: Convert to fraction form
    19,998.36/29,997.42 = 11,239.44/x
  3. Step 3: Cross multiply
    19,998.36x = 29,997.42 × 11,239.44
  4. Step 4: Simplify right side
    19,998.36x = 337,154,202.24
  5. Step 5: Solve for x
    x = 337,154,202.24/19,998.36
  6. Step 6: Final answer
    x = 16,859.09

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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.