Home / 17,905.12-24,709.79-12,251.73

Finding the Fourth Proportional to 17,905.12, 24,709.79 and 12,251.73

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Solution

The fourth proportional to 17,905.12, 24,709.79 and 12,251.73 is: 16,907.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.12 : 24,709.79 = 12,251.73 : x
  2. Step 2: Convert to fraction form
    17,905.12/24,709.79 = 12,251.73/x
  3. Step 3: Cross multiply
    17,905.12x = 24,709.79 × 12,251.73
  4. Step 4: Simplify right side
    17,905.12x = 302,737,675.44
  5. Step 5: Solve for x
    x = 302,737,675.44/17,905.12
  6. Step 6: Final answer
    x = 16,907.88

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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.