Home / 16,511.07-22,790.49-11,141.31

Finding the Fourth Proportional to 16,511.07, 22,790.49 and 11,141.31

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Solution

The fourth proportional to 16,511.07, 22,790.49 and 11,141.31 is: 15,378.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,511.07 : 22,790.49 = 11,141.31 : x
  2. Step 2: Convert to fraction form
    16,511.07/22,790.49 = 11,141.31/x
  3. Step 3: Cross multiply
    16,511.07x = 22,790.49 × 11,141.31
  4. Step 4: Simplify right side
    16,511.07x = 253,915,914.14
  5. Step 5: Solve for x
    x = 253,915,914.14/16,511.07
  6. Step 6: Final answer
    x = 15,378.53

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