Home / 35,687.87-53,536.72-11,997.25

Finding the Fourth Proportional to 35,687.87, 53,536.72 and 11,997.25

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Solution

The fourth proportional to 35,687.87, 53,536.72 and 11,997.25 is: 17,997.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,687.87 : 53,536.72 = 11,997.25 : x
  2. Step 2: Convert to fraction form
    35,687.87/53,536.72 = 11,997.25/x
  3. Step 3: Cross multiply
    35,687.87x = 53,536.72 × 11,997.25
  4. Step 4: Simplify right side
    35,687.87x = 642,293,414.02
  5. Step 5: Solve for x
    x = 642,293,414.02/35,687.87
  6. Step 6: Final answer
    x = 17,997.53

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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.