Home / 13,953.44-20,938.32-5,194.56

Finding the Fourth Proportional to 13,953.44, 20,938.32 and 5,194.56

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Solution

The fourth proportional to 13,953.44, 20,938.32 and 5,194.56 is: 7,794.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.44 : 20,938.32 = 5,194.56 : x
  2. Step 2: Convert to fraction form
    13,953.44/20,938.32 = 5,194.56/x
  3. Step 3: Cross multiply
    13,953.44x = 20,938.32 × 5,194.56
  4. Step 4: Simplify right side
    13,953.44x = 108,765,359.54
  5. Step 5: Solve for x
    x = 108,765,359.54/13,953.44
  6. Step 6: Final answer
    x = 7,794.88

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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.