Home / 13,226.38-18,252.62-7,258.60

Finding the Fourth Proportional to 13,226.38, 18,252.62 and 7,258.60

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Solution

The fourth proportional to 13,226.38, 18,252.62 and 7,258.60 is: 10,016.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.38 : 18,252.62 = 7,258.60 : x
  2. Step 2: Convert to fraction form
    13,226.38/18,252.62 = 7,258.60/x
  3. Step 3: Cross multiply
    13,226.38x = 18,252.62 × 7,258.60
  4. Step 4: Simplify right side
    13,226.38x = 132,488,481.13
  5. Step 5: Solve for x
    x = 132,488,481.13/13,226.38
  6. Step 6: Final answer
    x = 10,016.99

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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.