Home / 20,834.27-31,214.96-17,346.70

Finding the Fourth Proportional to 20,834.27, 31,214.96 and 17,346.70

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Solution

The fourth proportional to 20,834.27, 31,214.96 and 17,346.70 is: 25,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,834.27 : 31,214.96 = 17,346.70 : x
  2. Step 2: Convert to fraction form
    20,834.27/31,214.96 = 17,346.70/x
  3. Step 3: Cross multiply
    20,834.27x = 31,214.96 × 17,346.70
  4. Step 4: Simplify right side
    20,834.27x = 541,476,546.63
  5. Step 5: Solve for x
    x = 541,476,546.63/20,834.27
  6. Step 6: Final answer
    x = 25,989.71

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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.