Home / 22,013.26-30,383.73-13,517.42

Finding the Fourth Proportional to 22,013.26, 30,383.73 and 13,517.42

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Solution

The fourth proportional to 22,013.26, 30,383.73 and 13,517.42 is: 18,657.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.26 : 30,383.73 = 13,517.42 : x
  2. Step 2: Convert to fraction form
    22,013.26/30,383.73 = 13,517.42/x
  3. Step 3: Cross multiply
    22,013.26x = 30,383.73 × 13,517.42
  4. Step 4: Simplify right side
    22,013.26x = 410,709,639.58
  5. Step 5: Solve for x
    x = 410,709,639.58/22,013.26
  6. Step 6: Final answer
    x = 18,657.37

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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.