Home / 20,264.46-30,396.69-5,474.94

Finding the Fourth Proportional to 20,264.46, 30,396.69 and 5,474.94

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Solution

The fourth proportional to 20,264.46, 30,396.69 and 5,474.94 is: 8,212.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.46 : 30,396.69 = 5,474.94 : x
  2. Step 2: Convert to fraction form
    20,264.46/30,396.69 = 5,474.94/x
  3. Step 3: Cross multiply
    20,264.46x = 30,396.69 × 5,474.94
  4. Step 4: Simplify right side
    20,264.46x = 166,420,053.95
  5. Step 5: Solve for x
    x = 166,420,053.95/20,264.46
  6. Step 6: Final answer
    x = 8,212.41

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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.