Home / 21,589.24-32,316.78-11,704

Finding the Fourth Proportional to 21,589.24, 32,316.78 and 11,704

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Solution

The fourth proportional to 21,589.24, 32,316.78 and 11,704 is: 17,519.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.24 : 32,316.78 = 11,704 : x
  2. Step 2: Convert to fraction form
    21,589.24/32,316.78 = 11,704/x
  3. Step 3: Cross multiply
    21,589.24x = 32,316.78 × 11,704
  4. Step 4: Simplify right side
    21,589.24x = 378,235,593.12
  5. Step 5: Solve for x
    x = 378,235,593.12/21,589.24
  6. Step 6: Final answer
    x = 17,519.63

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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.