Home / 22,153.26-33,170.43-13,816.69

Finding the Fourth Proportional to 22,153.26, 33,170.43 and 13,816.69

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Solution

The fourth proportional to 22,153.26, 33,170.43 and 13,816.69 is: 20,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,153.26 : 33,170.43 = 13,816.69 : x
  2. Step 2: Convert to fraction form
    22,153.26/33,170.43 = 13,816.69/x
  3. Step 3: Cross multiply
    22,153.26x = 33,170.43 × 13,816.69
  4. Step 4: Simplify right side
    22,153.26x = 458,305,548.48
  5. Step 5: Solve for x
    x = 458,305,548.48/22,153.26
  6. Step 6: Final answer
    x = 20,687.95

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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.