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Finding the Fourth Proportional to 16,086.68, 22,205.73 and 9,374.48

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Solution

The fourth proportional to 16,086.68, 22,205.73 and 9,374.48 is: 12,940.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,086.68 : 22,205.73 = 9,374.48 : x
  2. Step 2: Convert to fraction form
    16,086.68/22,205.73 = 9,374.48/x
  3. Step 3: Cross multiply
    16,086.68x = 22,205.73 × 9,374.48
  4. Step 4: Simplify right side
    16,086.68x = 208,167,251.34
  5. Step 5: Solve for x
    x = 208,167,251.34/16,086.68
  6. Step 6: Final answer
    x = 12,940.35

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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.