Home / 16,789.18-23,167.64-9,716.04

Finding the Fourth Proportional to 16,789.18, 23,167.64 and 9,716.04

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Solution

The fourth proportional to 16,789.18, 23,167.64 and 9,716.04 is: 13,407.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,789.18 : 23,167.64 = 9,716.04 : x
  2. Step 2: Convert to fraction form
    16,789.18/23,167.64 = 9,716.04/x
  3. Step 3: Cross multiply
    16,789.18x = 23,167.64 × 9,716.04
  4. Step 4: Simplify right side
    16,789.18x = 225,097,716.95
  5. Step 5: Solve for x
    x = 225,097,716.95/16,789.18
  6. Step 6: Final answer
    x = 13,407.31

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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.