Home / 20,504.70-28,296.99-11,552.52

Finding the Fourth Proportional to 20,504.70, 28,296.99 and 11,552.52

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Solution

The fourth proportional to 20,504.70, 28,296.99 and 11,552.52 is: 15,942.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.70 : 28,296.99 = 11,552.52 : x
  2. Step 2: Convert to fraction form
    20,504.70/28,296.99 = 11,552.52/x
  3. Step 3: Cross multiply
    20,504.70x = 28,296.99 × 11,552.52
  4. Step 4: Simplify right side
    20,504.70x = 326,901,542.91
  5. Step 5: Solve for x
    x = 326,901,542.91/20,504.70
  6. Step 6: Final answer
    x = 15,942.76

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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.