Home / 16,912.66-25,374.39-8,148.46

Finding the Fourth Proportional to 16,912.66, 25,374.39 and 8,148.46

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Solution

The fourth proportional to 16,912.66, 25,374.39 and 8,148.46 is: 12,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.66 : 25,374.39 = 8,148.46 : x
  2. Step 2: Convert to fraction form
    16,912.66/25,374.39 = 8,148.46/x
  3. Step 3: Cross multiply
    16,912.66x = 25,374.39 × 8,148.46
  4. Step 4: Simplify right side
    16,912.66x = 206,762,201.94
  5. Step 5: Solve for x
    x = 206,762,201.94/16,912.66
  6. Step 6: Final answer
    x = 12,225.29

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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.