Home / 17,311.11-25,966.70-9,910.47

Finding the Fourth Proportional to 17,311.11, 25,966.70 and 9,910.47

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Solution

The fourth proportional to 17,311.11, 25,966.70 and 9,910.47 is: 14,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.11 : 25,966.70 = 9,910.47 : x
  2. Step 2: Convert to fraction form
    17,311.11/25,966.70 = 9,910.47/x
  3. Step 3: Cross multiply
    17,311.11x = 25,966.70 × 9,910.47
  4. Step 4: Simplify right side
    17,311.11x = 257,342,201.35
  5. Step 5: Solve for x
    x = 257,342,201.35/17,311.11
  6. Step 6: Final answer
    x = 14,865.73

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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.