Home / 19,902.41-27,446.69-12,349.97

Finding the Fourth Proportional to 19,902.41, 27,446.69 and 12,349.97

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Solution

The fourth proportional to 19,902.41, 27,446.69 and 12,349.97 is: 17,031.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,902.41 : 27,446.69 = 12,349.97 : x
  2. Step 2: Convert to fraction form
    19,902.41/27,446.69 = 12,349.97/x
  3. Step 3: Cross multiply
    19,902.41x = 27,446.69 × 12,349.97
  4. Step 4: Simplify right side
    19,902.41x = 338,965,736.35
  5. Step 5: Solve for x
    x = 338,965,736.35/19,902.41
  6. Step 6: Final answer
    x = 17,031.39

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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.