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Finding the Fourth Proportional to 18,592.94, 25,649.25 and 12,310.58

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Solution

The fourth proportional to 18,592.94, 25,649.25 and 12,310.58 is: 16,982.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,592.94 : 25,649.25 = 12,310.58 : x
  2. Step 2: Convert to fraction form
    18,592.94/25,649.25 = 12,310.58/x
  3. Step 3: Cross multiply
    18,592.94x = 25,649.25 × 12,310.58
  4. Step 4: Simplify right side
    18,592.94x = 315,757,144.07
  5. Step 5: Solve for x
    x = 315,757,144.07/18,592.94
  6. Step 6: Final answer
    x = 16,982.64

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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.