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Finding the Fourth Proportional to 18,800.37, 25,932.78 and 12,094.74

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Solution

The fourth proportional to 18,800.37, 25,932.78 and 12,094.74 is: 16,683.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.37 : 25,932.78 = 12,094.74 : x
  2. Step 2: Convert to fraction form
    18,800.37/25,932.78 = 12,094.74/x
  3. Step 3: Cross multiply
    18,800.37x = 25,932.78 × 12,094.74
  4. Step 4: Simplify right side
    18,800.37x = 313,650,231.58
  5. Step 5: Solve for x
    x = 313,650,231.58/18,800.37
  6. Step 6: Final answer
    x = 16,683.19

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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.