Home / 13,450.14-18,559.37-7,481.04

Finding the Fourth Proportional to 13,450.14, 18,559.37 and 7,481.04

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Solution

The fourth proportional to 13,450.14, 18,559.37 and 7,481.04 is: 10,322.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.14 : 18,559.37 = 7,481.04 : x
  2. Step 2: Convert to fraction form
    13,450.14/18,559.37 = 7,481.04/x
  3. Step 3: Cross multiply
    13,450.14x = 18,559.37 × 7,481.04
  4. Step 4: Simplify right side
    13,450.14x = 138,843,351.94
  5. Step 5: Solve for x
    x = 138,843,351.94/13,450.14
  6. Step 6: Final answer
    x = 10,322.82

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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.