Home / 18,137.54-25,023.38-11,853.56

Finding the Fourth Proportional to 18,137.54, 25,023.38 and 11,853.56

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Solution

The fourth proportional to 18,137.54, 25,023.38 and 11,853.56 is: 16,353.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.54 : 25,023.38 = 11,853.56 : x
  2. Step 2: Convert to fraction form
    18,137.54/25,023.38 = 11,853.56/x
  3. Step 3: Cross multiply
    18,137.54x = 25,023.38 × 11,853.56
  4. Step 4: Simplify right side
    18,137.54x = 296,616,136.23
  5. Step 5: Solve for x
    x = 296,616,136.23/18,137.54
  6. Step 6: Final answer
    x = 16,353.71

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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.