Home / 20,239.17-27,926.74-11,286.44

Finding the Fourth Proportional to 20,239.17, 27,926.74 and 11,286.44

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Solution

The fourth proportional to 20,239.17, 27,926.74 and 11,286.44 is: 15,573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,239.17 : 27,926.74 = 11,286.44 : x
  2. Step 2: Convert to fraction form
    20,239.17/27,926.74 = 11,286.44/x
  3. Step 3: Cross multiply
    20,239.17x = 27,926.74 × 11,286.44
  4. Step 4: Simplify right side
    20,239.17x = 315,193,454.61
  5. Step 5: Solve for x
    x = 315,193,454.61/20,239.17
  6. Step 6: Final answer
    x = 15,573.44

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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.