Home / 22,474.20-33,711.30-7,681.80

Finding the Fourth Proportional to 22,474.20, 33,711.30 and 7,681.80

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Solution

The fourth proportional to 22,474.20, 33,711.30 and 7,681.80 is: 11,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,474.20 : 33,711.30 = 7,681.80 : x
  2. Step 2: Convert to fraction form
    22,474.20/33,711.30 = 7,681.80/x
  3. Step 3: Cross multiply
    22,474.20x = 33,711.30 × 7,681.80
  4. Step 4: Simplify right side
    22,474.20x = 258,963,464.34
  5. Step 5: Solve for x
    x = 258,963,464.34/22,474.20
  6. Step 6: Final answer
    x = 11,522.70

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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.