Home / 16,989.31-23,456.34-11,037.94

Finding the Fourth Proportional to 16,989.31, 23,456.34 and 11,037.94

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Solution

The fourth proportional to 16,989.31, 23,456.34 and 11,037.94 is: 15,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,989.31 : 23,456.34 = 11,037.94 : x
  2. Step 2: Convert to fraction form
    16,989.31/23,456.34 = 11,037.94/x
  3. Step 3: Cross multiply
    16,989.31x = 23,456.34 × 11,037.94
  4. Step 4: Simplify right side
    16,989.31x = 258,909,673.54
  5. Step 5: Solve for x
    x = 258,909,673.54/16,989.31
  6. Step 6: Final answer
    x = 15,239.56

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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.