Home / 13,273.73-19,907.38-3,911.20

Finding the Fourth Proportional to 13,273.73, 19,907.38 and 3,911.20

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Solution

The fourth proportional to 13,273.73, 19,907.38 and 3,911.20 is: 5,865.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273.73 : 19,907.38 = 3,911.20 : x
  2. Step 2: Convert to fraction form
    13,273.73/19,907.38 = 3,911.20/x
  3. Step 3: Cross multiply
    13,273.73x = 19,907.38 × 3,911.20
  4. Step 4: Simplify right side
    13,273.73x = 77,861,744.66
  5. Step 5: Solve for x
    x = 77,861,744.66/13,273.73
  6. Step 6: Final answer
    x = 5,865.85

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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.