Home / 19,896.90-29,850.47-5,857.37

Finding the Fourth Proportional to 19,896.90, 29,850.47 and 5,857.37

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Solution

The fourth proportional to 19,896.90, 29,850.47 and 5,857.37 is: 8,787.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.90 : 29,850.47 = 5,857.37 : x
  2. Step 2: Convert to fraction form
    19,896.90/29,850.47 = 5,857.37/x
  3. Step 3: Cross multiply
    19,896.90x = 29,850.47 × 5,857.37
  4. Step 4: Simplify right side
    19,896.90x = 174,845,218.18
  5. Step 5: Solve for x
    x = 174,845,218.18/19,896.90
  6. Step 6: Final answer
    x = 8,787.56

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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.