Home / 13,484.97-20,230.11-4,126.33

Finding the Fourth Proportional to 13,484.97, 20,230.11 and 4,126.33

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Solution

The fourth proportional to 13,484.97, 20,230.11 and 4,126.33 is: 6,190.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.97 : 20,230.11 = 4,126.33 : x
  2. Step 2: Convert to fraction form
    13,484.97/20,230.11 = 4,126.33/x
  3. Step 3: Cross multiply
    13,484.97x = 20,230.11 × 4,126.33
  4. Step 4: Simplify right side
    13,484.97x = 83,476,109.80
  5. Step 5: Solve for x
    x = 83,476,109.80/13,484.97
  6. Step 6: Final answer
    x = 6,190.31

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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.