Home / 26,137.92-39,208.32-7,671.36

Finding the Fourth Proportional to 26,137.92, 39,208.32 and 7,671.36

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Solution

The fourth proportional to 26,137.92, 39,208.32 and 7,671.36 is: 11,507.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,137.92 : 39,208.32 = 7,671.36 : x
  2. Step 2: Convert to fraction form
    26,137.92/39,208.32 = 7,671.36/x
  3. Step 3: Cross multiply
    26,137.92x = 39,208.32 × 7,671.36
  4. Step 4: Simplify right side
    26,137.92x = 300,781,137.72
  5. Step 5: Solve for x
    x = 300,781,137.72/26,137.92
  6. Step 6: Final answer
    x = 11,507.46

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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.