Home / 19,201.15-28,736.70-11,810.29

Finding the Fourth Proportional to 19,201.15, 28,736.70 and 11,810.29

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Solution

The fourth proportional to 19,201.15, 28,736.70 and 11,810.29 is: 17,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,201.15 : 28,736.70 = 11,810.29 : x
  2. Step 2: Convert to fraction form
    19,201.15/28,736.70 = 11,810.29/x
  3. Step 3: Cross multiply
    19,201.15x = 28,736.70 × 11,810.29
  4. Step 4: Simplify right side
    19,201.15x = 339,388,760.64
  5. Step 5: Solve for x
    x = 339,388,760.64/19,201.15
  6. Step 6: Final answer
    x = 17,675.44

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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.