Home / 22,872.94-34,278.21-13,991.36

Finding the Fourth Proportional to 22,872.94, 34,278.21 and 13,991.36

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Solution

The fourth proportional to 22,872.94, 34,278.21 and 13,991.36 is: 20,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.94 : 34,278.21 = 13,991.36 : x
  2. Step 2: Convert to fraction form
    22,872.94/34,278.21 = 13,991.36/x
  3. Step 3: Cross multiply
    22,872.94x = 34,278.21 × 13,991.36
  4. Step 4: Simplify right side
    22,872.94x = 479,598,604.87
  5. Step 5: Solve for x
    x = 479,598,604.87/22,872.94
  6. Step 6: Final answer
    x = 20,967.95

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1.5x scale

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.