Home / 19,393.81-29,033.30-11,974.41

Finding the Fourth Proportional to 19,393.81, 29,033.30 and 11,974.41

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Solution

The fourth proportional to 19,393.81, 29,033.30 and 11,974.41 is: 17,926.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.81 : 29,033.30 = 11,974.41 : x
  2. Step 2: Convert to fraction form
    19,393.81/29,033.30 = 11,974.41/x
  3. Step 3: Cross multiply
    19,393.81x = 29,033.30 × 11,974.41
  4. Step 4: Simplify right side
    19,393.81x = 347,656,667.79
  5. Step 5: Solve for x
    x = 347,656,667.79/19,393.81
  6. Step 6: Final answer
    x = 17,926.17

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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.