Home / 23,600.36-35,422.42-11,921.78

Finding the Fourth Proportional to 23,600.36, 35,422.42 and 11,921.78

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Solution

The fourth proportional to 23,600.36, 35,422.42 and 11,921.78 is: 17,893.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,600.36 : 35,422.42 = 11,921.78 : x
  2. Step 2: Convert to fraction form
    23,600.36/35,422.42 = 11,921.78/x
  3. Step 3: Cross multiply
    23,600.36x = 35,422.42 × 11,921.78
  4. Step 4: Simplify right side
    23,600.36x = 422,298,298.31
  5. Step 5: Solve for x
    x = 422,298,298.31/23,600.36
  6. Step 6: Final answer
    x = 17,893.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.