Home / 16,960.36-25,449.44-12,318.72

Finding the Fourth Proportional to 16,960.36, 25,449.44 and 12,318.72

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Solution

The fourth proportional to 16,960.36, 25,449.44 and 12,318.72 is: 18,484.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,960.36 : 25,449.44 = 12,318.72 : x
  2. Step 2: Convert to fraction form
    16,960.36/25,449.44 = 12,318.72/x
  3. Step 3: Cross multiply
    16,960.36x = 25,449.44 × 12,318.72
  4. Step 4: Simplify right side
    16,960.36x = 313,504,525.52
  5. Step 5: Solve for x
    x = 313,504,525.52/16,960.36
  6. Step 6: Final answer
    x = 18,484.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.