Home / 22,008.75-30,371.61-11,936.80

Finding the Fourth Proportional to 22,008.75, 30,371.61 and 11,936.80

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Solution

The fourth proportional to 22,008.75, 30,371.61 and 11,936.80 is: 16,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,008.75 : 30,371.61 = 11,936.80 : x
  2. Step 2: Convert to fraction form
    22,008.75/30,371.61 = 11,936.80/x
  3. Step 3: Cross multiply
    22,008.75x = 30,371.61 × 11,936.80
  4. Step 4: Simplify right side
    22,008.75x = 362,539,849.83
  5. Step 5: Solve for x
    x = 362,539,849.83/22,008.75
  6. Step 6: Final answer
    x = 16,472.54

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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.