Home / 22,014.91-30,380.70-11,943.37

Finding the Fourth Proportional to 22,014.91, 30,380.70 and 11,943.37

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Solution

The fourth proportional to 22,014.91, 30,380.70 and 11,943.37 is: 16,481.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.91 : 30,380.70 = 11,943.37 : x
  2. Step 2: Convert to fraction form
    22,014.91/30,380.70 = 11,943.37/x
  3. Step 3: Cross multiply
    22,014.91x = 30,380.70 × 11,943.37
  4. Step 4: Simplify right side
    22,014.91x = 362,847,940.96
  5. Step 5: Solve for x
    x = 362,847,940.96/22,014.91
  6. Step 6: Final answer
    x = 16,481.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.