Home / 19,351.11-29,033.58-11,767.82

Finding the Fourth Proportional to 19,351.11, 29,033.58 and 11,767.82

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Solution

The fourth proportional to 19,351.11, 29,033.58 and 11,767.82 is: 17,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.11 : 29,033.58 = 11,767.82 : x
  2. Step 2: Convert to fraction form
    19,351.11/29,033.58 = 11,767.82/x
  3. Step 3: Cross multiply
    19,351.11x = 29,033.58 × 11,767.82
  4. Step 4: Simplify right side
    19,351.11x = 341,661,943.40
  5. Step 5: Solve for x
    x = 341,661,943.40/19,351.11
  6. Step 6: Final answer
    x = 17,655.94

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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.