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Finding the Fourth Proportional to 18,594.55, 25,650.99 and 11,873.11

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Solution

The fourth proportional to 18,594.55, 25,650.99 and 11,873.11 is: 16,378.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,594.55 : 25,650.99 = 11,873.11 : x
  2. Step 2: Convert to fraction form
    18,594.55/25,650.99 = 11,873.11/x
  3. Step 3: Cross multiply
    18,594.55x = 25,650.99 × 11,873.11
  4. Step 4: Simplify right side
    18,594.55x = 304,557,025.88
  5. Step 5: Solve for x
    x = 304,557,025.88/18,594.55
  6. Step 6: Final answer
    x = 16,378.83

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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.