Home / 19,618.96-27,076.50-11,661.22

Finding the Fourth Proportional to 19,618.96, 27,076.50 and 11,661.22

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Solution

The fourth proportional to 19,618.96, 27,076.50 and 11,661.22 is: 16,093.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618.96 : 27,076.50 = 11,661.22 : x
  2. Step 2: Convert to fraction form
    19,618.96/27,076.50 = 11,661.22/x
  3. Step 3: Cross multiply
    19,618.96x = 27,076.50 × 11,661.22
  4. Step 4: Simplify right side
    19,618.96x = 315,745,023.33
  5. Step 5: Solve for x
    x = 315,745,023.33/19,618.96
  6. Step 6: Final answer
    x = 16,093.87

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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.