Home / 13,914.03-19,201.33-8,251.60

Finding the Fourth Proportional to 13,914.03, 19,201.33 and 8,251.60

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Solution

The fourth proportional to 13,914.03, 19,201.33 and 8,251.60 is: 11,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,914.03 : 19,201.33 = 8,251.60 : x
  2. Step 2: Convert to fraction form
    13,914.03/19,201.33 = 8,251.60/x
  3. Step 3: Cross multiply
    13,914.03x = 19,201.33 × 8,251.60
  4. Step 4: Simplify right side
    13,914.03x = 158,441,615.73
  5. Step 5: Solve for x
    x = 158,441,615.73/13,914.03
  6. Step 6: Final answer
    x = 11,387.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.