Home / 22,486.98-33,723.18-10,638.90

Finding the Fourth Proportional to 22,486.98, 33,723.18 and 10,638.90

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Solution

The fourth proportional to 22,486.98, 33,723.18 and 10,638.90 is: 15,954.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,486.98 : 33,723.18 = 10,638.90 : x
  2. Step 2: Convert to fraction form
    22,486.98/33,723.18 = 10,638.90/x
  3. Step 3: Cross multiply
    22,486.98x = 33,723.18 × 10,638.90
  4. Step 4: Simplify right side
    22,486.98x = 358,777,539.70
  5. Step 5: Solve for x
    x = 358,777,539.70/22,486.98
  6. Step 6: Final answer
    x = 15,954.90

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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.