Home / 39,974.49-59,896.13-13,664.88

Finding the Fourth Proportional to 39,974.49, 59,896.13 and 13,664.88

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Solution

The fourth proportional to 39,974.49, 59,896.13 and 13,664.88 is: 20,474.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,974.49 : 59,896.13 = 13,664.88 : x
  2. Step 2: Convert to fraction form
    39,974.49/59,896.13 = 13,664.88/x
  3. Step 3: Cross multiply
    39,974.49x = 59,896.13 × 13,664.88
  4. Step 4: Simplify right side
    39,974.49x = 818,473,360.59
  5. Step 5: Solve for x
    x = 818,473,360.59/39,974.49
  6. Step 6: Final answer
    x = 20,474.89

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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.