Home / 23,991.78-33,108.54-13,236.36

Finding the Fourth Proportional to 23,991.78, 33,108.54 and 13,236.36

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Solution

The fourth proportional to 23,991.78, 33,108.54 and 13,236.36 is: 18,266.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.78 : 33,108.54 = 13,236.36 : x
  2. Step 2: Convert to fraction form
    23,991.78/33,108.54 = 13,236.36/x
  3. Step 3: Cross multiply
    23,991.78x = 33,108.54 × 13,236.36
  4. Step 4: Simplify right side
    23,991.78x = 438,236,388.97
  5. Step 5: Solve for x
    x = 438,236,388.97/23,991.78
  6. Step 6: Final answer
    x = 18,266.11

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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.