Home / 21,716.27-32,537.18-11,862.44

Finding the Fourth Proportional to 21,716.27, 32,537.18 and 11,862.44

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Solution

The fourth proportional to 21,716.27, 32,537.18 and 11,862.44 is: 17,773.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716.27 : 32,537.18 = 11,862.44 : x
  2. Step 2: Convert to fraction form
    21,716.27/32,537.18 = 11,862.44/x
  3. Step 3: Cross multiply
    21,716.27x = 32,537.18 × 11,862.44
  4. Step 4: Simplify right side
    21,716.27x = 385,970,212.49
  5. Step 5: Solve for x
    x = 385,970,212.49/21,716.27
  6. Step 6: Final answer
    x = 17,773.32

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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.