Home / 13,449.33-18,558.96-7,481.04

Finding the Fourth Proportional to 13,449.33, 18,558.96 and 7,481.04

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Solution

The fourth proportional to 13,449.33, 18,558.96 and 7,481.04 is: 10,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.33 : 18,558.96 = 7,481.04 : x
  2. Step 2: Convert to fraction form
    13,449.33/18,558.96 = 7,481.04/x
  3. Step 3: Cross multiply
    13,449.33x = 18,558.96 × 7,481.04
  4. Step 4: Simplify right side
    13,449.33x = 138,840,322.12
  5. Step 5: Solve for x
    x = 138,840,322.12/13,449.33
  6. Step 6: Final answer
    x = 10,323.21

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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.