Home / 39,974.94-59,896.80-13,665.33

Finding the Fourth Proportional to 39,974.94, 59,896.80 and 13,665.33

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Solution

The fourth proportional to 39,974.94, 59,896.80 and 13,665.33 is: 20,475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,974.94 : 59,896.80 = 13,665.33 : x
  2. Step 2: Convert to fraction form
    39,974.94/59,896.80 = 13,665.33/x
  3. Step 3: Cross multiply
    39,974.94x = 59,896.80 × 13,665.33
  4. Step 4: Simplify right side
    39,974.94x = 818,509,537.94
  5. Step 5: Solve for x
    x = 818,509,537.94/39,974.94
  6. Step 6: Final answer
    x = 20,475.57

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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.