Home / 39,843.99-59,754.11-13,542.75

Finding the Fourth Proportional to 39,843.99, 59,754.11 and 13,542.75

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Solution

The fourth proportional to 39,843.99, 59,754.11 and 13,542.75 is: 20,310.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,843.99 : 59,754.11 = 13,542.75 : x
  2. Step 2: Convert to fraction form
    39,843.99/59,754.11 = 13,542.75/x
  3. Step 3: Cross multiply
    39,843.99x = 59,754.11 × 13,542.75
  4. Step 4: Simplify right side
    39,843.99x = 809,234,905.49
  5. Step 5: Solve for x
    x = 809,234,905.49/39,843.99
  6. Step 6: Final answer
    x = 20,310.09

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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.