Home / 18,451.73-25,466.87-11,556.09

Finding the Fourth Proportional to 18,451.73, 25,466.87 and 11,556.09

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Solution

The fourth proportional to 18,451.73, 25,466.87 and 11,556.09 is: 15,949.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,451.73 : 25,466.87 = 11,556.09 : x
  2. Step 2: Convert to fraction form
    18,451.73/25,466.87 = 11,556.09/x
  3. Step 3: Cross multiply
    18,451.73x = 25,466.87 × 11,556.09
  4. Step 4: Simplify right side
    18,451.73x = 294,297,479.46
  5. Step 5: Solve for x
    x = 294,297,479.46/18,451.73
  6. Step 6: Final answer
    x = 15,949.59

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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.