Home / 21,192.88-29,241.84-11,759.44

Finding the Fourth Proportional to 21,192.88, 29,241.84 and 11,759.44

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Solution

The fourth proportional to 21,192.88, 29,241.84 and 11,759.44 is: 16,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.88 : 29,241.84 = 11,759.44 : x
  2. Step 2: Convert to fraction form
    21,192.88/29,241.84 = 11,759.44/x
  3. Step 3: Cross multiply
    21,192.88x = 29,241.84 × 11,759.44
  4. Step 4: Simplify right side
    21,192.88x = 343,867,662.97
  5. Step 5: Solve for x
    x = 343,867,662.97/21,192.88
  6. Step 6: Final answer
    x = 16,225.62

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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.