Home / 19,599.26-27,047.37-11,939.90

Finding the Fourth Proportional to 19,599.26, 27,047.37 and 11,939.90

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Solution

The fourth proportional to 19,599.26, 27,047.37 and 11,939.90 is: 16,477.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,599.26 : 27,047.37 = 11,939.90 : x
  2. Step 2: Convert to fraction form
    19,599.26/27,047.37 = 11,939.90/x
  3. Step 3: Cross multiply
    19,599.26x = 27,047.37 × 11,939.90
  4. Step 4: Simplify right side
    19,599.26x = 322,942,757.83
  5. Step 5: Solve for x
    x = 322,942,757.83/19,599.26
  6. Step 6: Final answer
    x = 16,477.30

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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.