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Finding the Fourth Proportional to 16,167.21, 24,235.08 and 7,731.52

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Solution

The fourth proportional to 16,167.21, 24,235.08 and 7,731.52 is: 11,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,167.21 : 24,235.08 = 7,731.52 : x
  2. Step 2: Convert to fraction form
    16,167.21/24,235.08 = 7,731.52/x
  3. Step 3: Cross multiply
    16,167.21x = 24,235.08 × 7,731.52
  4. Step 4: Simplify right side
    16,167.21x = 187,374,005.72
  5. Step 5: Solve for x
    x = 187,374,005.72/16,167.21
  6. Step 6: Final answer
    x = 11,589.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.