Home / 22,286.88-30,754.92-13,329.08

Finding the Fourth Proportional to 22,286.88, 30,754.92 and 13,329.08

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Solution

The fourth proportional to 22,286.88, 30,754.92 and 13,329.08 is: 18,393.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.88 : 30,754.92 = 13,329.08 : x
  2. Step 2: Convert to fraction form
    22,286.88/30,754.92 = 13,329.08/x
  3. Step 3: Cross multiply
    22,286.88x = 30,754.92 × 13,329.08
  4. Step 4: Simplify right side
    22,286.88x = 409,934,789.07
  5. Step 5: Solve for x
    x = 409,934,789.07/22,286.88
  6. Step 6: Final answer
    x = 18,393.55

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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.