Home / 20,634.29-30,951.57-5,051.97

Finding the Fourth Proportional to 20,634.29, 30,951.57 and 5,051.97

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Solution

The fourth proportional to 20,634.29, 30,951.57 and 5,051.97 is: 7,577.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,634.29 : 30,951.57 = 5,051.97 : x
  2. Step 2: Convert to fraction form
    20,634.29/30,951.57 = 5,051.97/x
  3. Step 3: Cross multiply
    20,634.29x = 30,951.57 × 5,051.97
  4. Step 4: Simplify right side
    20,634.29x = 156,366,403.09
  5. Step 5: Solve for x
    x = 156,366,403.09/20,634.29
  6. Step 6: Final answer
    x = 7,577.99

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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.