Home / 22,286.52-30,754.32-13,338.96

Finding the Fourth Proportional to 22,286.52, 30,754.32 and 13,338.96

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Solution

The fourth proportional to 22,286.52, 30,754.32 and 13,338.96 is: 18,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.52 : 30,754.32 = 13,338.96 : x
  2. Step 2: Convert to fraction form
    22,286.52/30,754.32 = 13,338.96/x
  3. Step 3: Cross multiply
    22,286.52x = 30,754.32 × 13,338.96
  4. Step 4: Simplify right side
    22,286.52x = 410,230,644.31
  5. Step 5: Solve for x
    x = 410,230,644.31/22,286.52
  6. Step 6: Final answer
    x = 18,407.12

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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.