Home / 19,991.34-27,591.37-11,926.04

Finding the Fourth Proportional to 19,991.34, 27,591.37 and 11,926.04

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Solution

The fourth proportional to 19,991.34, 27,591.37 and 11,926.04 is: 16,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,991.34 : 27,591.37 = 11,926.04 : x
  2. Step 2: Convert to fraction form
    19,991.34/27,591.37 = 11,926.04/x
  3. Step 3: Cross multiply
    19,991.34x = 27,591.37 × 11,926.04
  4. Step 4: Simplify right side
    19,991.34x = 329,055,614.50
  5. Step 5: Solve for x
    x = 329,055,614.50/19,991.34
  6. Step 6: Final answer
    x = 16,459.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.