Home / 19,617.72-27,076.05-11,664.33

Finding the Fourth Proportional to 19,617.72, 27,076.05 and 11,664.33

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Solution

The fourth proportional to 19,617.72, 27,076.05 and 11,664.33 is: 16,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,617.72 : 27,076.05 = 11,664.33 : x
  2. Step 2: Convert to fraction form
    19,617.72/27,076.05 = 11,664.33/x
  3. Step 3: Cross multiply
    19,617.72x = 27,076.05 × 11,664.33
  4. Step 4: Simplify right side
    19,617.72x = 315,823,982.30
  5. Step 5: Solve for x
    x = 315,823,982.30/19,617.72
  6. Step 6: Final answer
    x = 16,098.91

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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.