Home / 29,383.78-40,548.48-15,954.73

Finding the Fourth Proportional to 29,383.78, 40,548.48 and 15,954.73

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Solution

The fourth proportional to 29,383.78, 40,548.48 and 15,954.73 is: 22,016.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,383.78 : 40,548.48 = 15,954.73 : x
  2. Step 2: Convert to fraction form
    29,383.78/40,548.48 = 15,954.73/x
  3. Step 3: Cross multiply
    29,383.78x = 40,548.48 × 15,954.73
  4. Step 4: Simplify right side
    29,383.78x = 646,940,092.90
  5. Step 5: Solve for x
    x = 646,940,092.90/29,383.78
  6. Step 6: Final answer
    x = 22,016.91

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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.