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Finding the Fourth Proportional to 16,940.34, 23,374.53 and 9,488.34

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Solution

The fourth proportional to 16,940.34, 23,374.53 and 9,488.34 is: 13,092.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,940.34 : 23,374.53 = 9,488.34 : x
  2. Step 2: Convert to fraction form
    16,940.34/23,374.53 = 9,488.34/x
  3. Step 3: Cross multiply
    16,940.34x = 23,374.53 × 9,488.34
  4. Step 4: Simplify right side
    16,940.34x = 221,785,487.98
  5. Step 5: Solve for x
    x = 221,785,487.98/16,940.34
  6. Step 6: Final answer
    x = 13,092.15

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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.