Home / 17,917.98-24,709.50-11,865.48

Finding the Fourth Proportional to 17,917.98, 24,709.50 and 11,865.48

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Solution

The fourth proportional to 17,917.98, 24,709.50 and 11,865.48 is: 16,362.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.98 : 24,709.50 = 11,865.48 : x
  2. Step 2: Convert to fraction form
    17,917.98/24,709.50 = 11,865.48/x
  3. Step 3: Cross multiply
    17,917.98x = 24,709.50 × 11,865.48
  4. Step 4: Simplify right side
    17,917.98x = 293,190,078.06
  5. Step 5: Solve for x
    x = 293,190,078.06/17,917.98
  6. Step 6: Final answer
    x = 16,362.90

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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.