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Finding the Fourth Proportional to 16,913.02, 25,380.06 and 8,148.82

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Solution

The fourth proportional to 16,913.02, 25,380.06 and 8,148.82 is: 12,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,913.02 : 25,380.06 = 8,148.82 : x
  2. Step 2: Convert to fraction form
    16,913.02/25,380.06 = 8,148.82/x
  3. Step 3: Cross multiply
    16,913.02x = 25,380.06 × 8,148.82
  4. Step 4: Simplify right side
    16,913.02x = 206,817,540.53
  5. Step 5: Solve for x
    x = 206,817,540.53/16,913.02
  6. Step 6: Final answer
    x = 12,228.30

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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.