Home / 26,921.44-40,233.60-19,916.32

Finding the Fourth Proportional to 26,921.44, 40,233.60 and 19,916.32

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Solution

The fourth proportional to 26,921.44, 40,233.60 and 19,916.32 is: 29,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,921.44 : 40,233.60 = 19,916.32 : x
  2. Step 2: Convert to fraction form
    26,921.44/40,233.60 = 19,916.32/x
  3. Step 3: Cross multiply
    26,921.44x = 40,233.60 × 19,916.32
  4. Step 4: Simplify right side
    26,921.44x = 801,305,252.35
  5. Step 5: Solve for x
    x = 801,305,252.35/26,921.44
  6. Step 6: Final answer
    x = 29,764.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.