Home / 21,589.96-32,369.82-11,196.04

Finding the Fourth Proportional to 21,589.96, 32,369.82 and 11,196.04

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Solution

The fourth proportional to 21,589.96, 32,369.82 and 11,196.04 is: 16,786.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.96 : 32,369.82 = 11,196.04 : x
  2. Step 2: Convert to fraction form
    21,589.96/32,369.82 = 11,196.04/x
  3. Step 3: Cross multiply
    21,589.96x = 32,369.82 × 11,196.04
  4. Step 4: Simplify right side
    21,589.96x = 362,413,799.51
  5. Step 5: Solve for x
    x = 362,413,799.51/21,589.96
  6. Step 6: Final answer
    x = 16,786.22

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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.