Home / 19,635.69-27,086.92-11,672.25

Finding the Fourth Proportional to 19,635.69, 27,086.92 and 11,672.25

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Solution

The fourth proportional to 19,635.69, 27,086.92 and 11,672.25 is: 16,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,635.69 : 27,086.92 = 11,672.25 : x
  2. Step 2: Convert to fraction form
    19,635.69/27,086.92 = 11,672.25/x
  3. Step 3: Cross multiply
    19,635.69x = 27,086.92 × 11,672.25
  4. Step 4: Simplify right side
    19,635.69x = 316,165,301.97
  5. Step 5: Solve for x
    x = 316,165,301.97/19,635.69
  6. Step 6: Final answer
    x = 16,101.56

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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.