Home / 17,311.75-23,890.20-9,353.97

Finding the Fourth Proportional to 17,311.75, 23,890.20 and 9,353.97

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Solution

The fourth proportional to 17,311.75, 23,890.20 and 9,353.97 is: 12,908.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.75 : 23,890.20 = 9,353.97 : x
  2. Step 2: Convert to fraction form
    17,311.75/23,890.20 = 9,353.97/x
  3. Step 3: Cross multiply
    17,311.75x = 23,890.20 × 9,353.97
  4. Step 4: Simplify right side
    17,311.75x = 223,468,179.02
  5. Step 5: Solve for x
    x = 223,468,179.02/17,311.75
  6. Step 6: Final answer
    x = 12,908.47

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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.