Home / 17,961.36-26,945.10-6,113.88

Finding the Fourth Proportional to 17,961.36, 26,945.10 and 6,113.88

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Solution

The fourth proportional to 17,961.36, 26,945.10 and 6,113.88 is: 9,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.36 : 26,945.10 = 6,113.88 : x
  2. Step 2: Convert to fraction form
    17,961.36/26,945.10 = 6,113.88/x
  3. Step 3: Cross multiply
    17,961.36x = 26,945.10 × 6,113.88
  4. Step 4: Simplify right side
    17,961.36x = 164,739,107.99
  5. Step 5: Solve for x
    x = 164,739,107.99/17,961.36
  6. Step 6: Final answer
    x = 9,171.86

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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.