Home / 18,351.60-25,329.24-12,064.56

Finding the Fourth Proportional to 18,351.60, 25,329.24 and 12,064.56

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Solution

The fourth proportional to 18,351.60, 25,329.24 and 12,064.56 is: 16,651.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351.60 : 25,329.24 = 12,064.56 : x
  2. Step 2: Convert to fraction form
    18,351.60/25,329.24 = 12,064.56/x
  3. Step 3: Cross multiply
    18,351.60x = 25,329.24 × 12,064.56
  4. Step 4: Simplify right side
    18,351.60x = 305,586,135.73
  5. Step 5: Solve for x
    x = 305,586,135.73/18,351.60
  6. Step 6: Final answer
    x = 16,651.74

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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.