Home / 13,226.54-18,253.15-7,258.42

Finding the Fourth Proportional to 13,226.54, 18,253.15 and 7,258.42

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Solution

The fourth proportional to 13,226.54, 18,253.15 and 7,258.42 is: 10,016.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.54 : 18,253.15 = 7,258.42 : x
  2. Step 2: Convert to fraction form
    13,226.54/18,253.15 = 7,258.42/x
  3. Step 3: Cross multiply
    13,226.54x = 18,253.15 × 7,258.42
  4. Step 4: Simplify right side
    13,226.54x = 132,489,067.77
  5. Step 5: Solve for x
    x = 132,489,067.77/13,226.54
  6. Step 6: Final answer
    x = 10,016.91

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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.