Home / 22,286.00-30,736.97-18,939.89

Finding the Fourth Proportional to 22,286.00, 30,736.97 and 18,939.89

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Solution

The fourth proportional to 22,286.00, 30,736.97 and 18,939.89 is: 26,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286.00 : 30,736.97 = 18,939.89 : x
  2. Step 2: Convert to fraction form
    22,286.00/30,736.97 = 18,939.89/x
  3. Step 3: Cross multiply
    22,286.00x = 30,736.97 × 18,939.89
  4. Step 4: Simplify right side
    22,286.00x = 582,154,883.90
  5. Step 5: Solve for x
    x = 582,154,883.90/22,286.00
  6. Step 6: Final answer
    x = 26,122.00

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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.