Home / 13,902.36-20,859.44-9,224

Finding the Fourth Proportional to 13,902.36, 20,859.44 and 9,224

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Solution

The fourth proportional to 13,902.36, 20,859.44 and 9,224 is: 13,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.36 : 20,859.44 = 9,224 : x
  2. Step 2: Convert to fraction form
    13,902.36/20,859.44 = 9,224/x
  3. Step 3: Cross multiply
    13,902.36x = 20,859.44 × 9,224
  4. Step 4: Simplify right side
    13,902.36x = 192,407,474.56
  5. Step 5: Solve for x
    x = 192,407,474.56/13,902.36
  6. Step 6: Final answer
    x = 13,839.91

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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.