Home / 22,277.88-33,426-10,422.96

Finding the Fourth Proportional to 22,277.88, 33,426 and 10,422.96

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Solution

The fourth proportional to 22,277.88, 33,426 and 10,422.96 is: 15,638.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,277.88 : 33,426 = 10,422.96 : x
  2. Step 2: Convert to fraction form
    22,277.88/33,426 = 10,422.96/x
  3. Step 3: Cross multiply
    22,277.88x = 33,426 × 10,422.96
  4. Step 4: Simplify right side
    22,277.88x = 348,397,860.96
  5. Step 5: Solve for x
    x = 348,397,860.96/22,277.88
  6. Step 6: Final answer
    x = 15,638.73

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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.