Home / 21,965.78-32,933.01-10,272.62

Finding the Fourth Proportional to 21,965.78, 32,933.01 and 10,272.62

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Solution

The fourth proportional to 21,965.78, 32,933.01 and 10,272.62 is: 15,401.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,965.78 : 32,933.01 = 10,272.62 : x
  2. Step 2: Convert to fraction form
    21,965.78/32,933.01 = 10,272.62/x
  3. Step 3: Cross multiply
    21,965.78x = 32,933.01 × 10,272.62
  4. Step 4: Simplify right side
    21,965.78x = 338,308,418.04
  5. Step 5: Solve for x
    x = 338,308,418.04/21,965.78
  6. Step 6: Final answer
    x = 15,401.61

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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.