Home / 16,912.79-25,336.37-12,462.38

Finding the Fourth Proportional to 16,912.79, 25,336.37 and 12,462.38

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Solution

The fourth proportional to 16,912.79, 25,336.37 and 12,462.38 is: 18,669.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.79 : 25,336.37 = 12,462.38 : x
  2. Step 2: Convert to fraction form
    16,912.79/25,336.37 = 12,462.38/x
  3. Step 3: Cross multiply
    16,912.79x = 25,336.37 × 12,462.38
  4. Step 4: Simplify right side
    16,912.79x = 315,751,281.77
  5. Step 5: Solve for x
    x = 315,751,281.77/16,912.79
  6. Step 6: Final answer
    x = 18,669.38

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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.