Home / 19,736.85-27,246.33-11,671.89

Finding the Fourth Proportional to 19,736.85, 27,246.33 and 11,671.89

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Solution

The fourth proportional to 19,736.85, 27,246.33 and 11,671.89 is: 16,112.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,736.85 : 27,246.33 = 11,671.89 : x
  2. Step 2: Convert to fraction form
    19,736.85/27,246.33 = 11,671.89/x
  3. Step 3: Cross multiply
    19,736.85x = 27,246.33 × 11,671.89
  4. Step 4: Simplify right side
    19,736.85x = 318,016,166.66
  5. Step 5: Solve for x
    x = 318,016,166.66/19,736.85
  6. Step 6: Final answer
    x = 16,112.81

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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.