Home / 13,273.50-19,896.87-8,346.66

Finding the Fourth Proportional to 13,273.50, 19,896.87 and 8,346.66

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Solution

The fourth proportional to 13,273.50, 19,896.87 and 8,346.66 is: 12,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.50 : 19,896.87 = 8,346.66 : x
  2. Step 2: Convert to fraction form
    13,273.50/19,896.87 = 8,346.66/x
  3. Step 3: Cross multiply
    13,273.50x = 19,896.87 × 8,346.66
  4. Step 4: Simplify right side
    13,273.50x = 166,072,408.95
  5. Step 5: Solve for x
    x = 166,072,408.95/13,273.50
  6. Step 6: Final answer
    x = 12,511.58

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1.5x scale

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.