Home / 13,753.38-20,630.03-3,365.13

Finding the Fourth Proportional to 13,753.38, 20,630.03 and 3,365.13

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Solution

The fourth proportional to 13,753.38, 20,630.03 and 3,365.13 is: 5,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753.38 : 20,630.03 = 3,365.13 : x
  2. Step 2: Convert to fraction form
    13,753.38/20,630.03 = 3,365.13/x
  3. Step 3: Cross multiply
    13,753.38x = 20,630.03 × 3,365.13
  4. Step 4: Simplify right side
    13,753.38x = 69,422,732.85
  5. Step 5: Solve for x
    x = 69,422,732.85/13,753.38
  6. Step 6: Final answer
    x = 5,047.69

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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.