Home / 13,449.52-18,560.07-7,481.06

Finding the Fourth Proportional to 13,449.52, 18,560.07 and 7,481.06

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Solution

The fourth proportional to 13,449.52, 18,560.07 and 7,481.06 is: 10,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.52 : 18,560.07 = 7,481.06 : x
  2. Step 2: Convert to fraction form
    13,449.52/18,560.07 = 7,481.06/x
  3. Step 3: Cross multiply
    13,449.52x = 18,560.07 × 7,481.06
  4. Step 4: Simplify right side
    13,449.52x = 138,848,974.07
  5. Step 5: Solve for x
    x = 138,848,974.07/13,449.52
  6. Step 6: Final answer
    x = 10,323.71

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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.