Home / 23,579.07-35,361.09-7,781.15

Finding the Fourth Proportional to 23,579.07, 35,361.09 and 7,781.15

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Solution

The fourth proportional to 23,579.07, 35,361.09 and 7,781.15 is: 11,669.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,579.07 : 35,361.09 = 7,781.15 : x
  2. Step 2: Convert to fraction form
    23,579.07/35,361.09 = 7,781.15/x
  3. Step 3: Cross multiply
    23,579.07x = 35,361.09 × 7,781.15
  4. Step 4: Simplify right side
    23,579.07x = 275,149,945.45
  5. Step 5: Solve for x
    x = 275,149,945.45/23,579.07
  6. Step 6: Final answer
    x = 11,669.25

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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.