Home / 21,161.40-29,136.24-17,968.04

Finding the Fourth Proportional to 21,161.40, 29,136.24 and 17,968.04

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Solution

The fourth proportional to 21,161.40, 29,136.24 and 17,968.04 is: 24,739.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,161.40 : 29,136.24 = 17,968.04 : x
  2. Step 2: Convert to fraction form
    21,161.40/29,136.24 = 17,968.04/x
  3. Step 3: Cross multiply
    21,161.40x = 29,136.24 × 17,968.04
  4. Step 4: Simplify right side
    21,161.40x = 523,521,125.77
  5. Step 5: Solve for x
    x = 523,521,125.77/21,161.40
  6. Step 6: Final answer
    x = 24,739.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.