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Finding the Fourth Proportional to 18,065.30, 24,919.20 and 11,933.04

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Solution

The fourth proportional to 18,065.30, 24,919.20 and 11,933.04 is: 16,460.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,065.30 : 24,919.20 = 11,933.04 : x
  2. Step 2: Convert to fraction form
    18,065.30/24,919.20 = 11,933.04/x
  3. Step 3: Cross multiply
    18,065.30x = 24,919.20 × 11,933.04
  4. Step 4: Simplify right side
    18,065.30x = 297,361,810.37
  5. Step 5: Solve for x
    x = 297,361,810.37/18,065.30
  6. Step 6: Final answer
    x = 16,460.39

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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.