Home / 13,449.96-18,560.43-7,481.43

Finding the Fourth Proportional to 13,449.96, 18,560.43 and 7,481.43

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Solution

The fourth proportional to 13,449.96, 18,560.43 and 7,481.43 is: 10,324.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.96 : 18,560.43 = 7,481.43 : x
  2. Step 2: Convert to fraction form
    13,449.96/18,560.43 = 7,481.43/x
  3. Step 3: Cross multiply
    13,449.96x = 18,560.43 × 7,481.43
  4. Step 4: Simplify right side
    13,449.96x = 138,858,557.81
  5. Step 5: Solve for x
    x = 138,858,557.81/13,449.96
  6. Step 6: Final answer
    x = 10,324.09

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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.