Home / 13,722.38-20,583.42-3,334.14

Finding the Fourth Proportional to 13,722.38, 20,583.42 and 3,334.14

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Solution

The fourth proportional to 13,722.38, 20,583.42 and 3,334.14 is: 5,001.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,722.38 : 20,583.42 = 3,334.14 : x
  2. Step 2: Convert to fraction form
    13,722.38/20,583.42 = 3,334.14/x
  3. Step 3: Cross multiply
    13,722.38x = 20,583.42 × 3,334.14
  4. Step 4: Simplify right side
    13,722.38x = 68,628,003.96
  5. Step 5: Solve for x
    x = 68,628,003.96/13,722.38
  6. Step 6: Final answer
    x = 5,001.17

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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.