Home / 20,504.72-28,296.60-11,552.33

Finding the Fourth Proportional to 20,504.72, 28,296.60 and 11,552.33

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Solution

The fourth proportional to 20,504.72, 28,296.60 and 11,552.33 is: 15,942.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.72 : 28,296.60 = 11,552.33 : x
  2. Step 2: Convert to fraction form
    20,504.72/28,296.60 = 11,552.33/x
  3. Step 3: Cross multiply
    20,504.72x = 28,296.60 × 11,552.33
  4. Step 4: Simplify right side
    20,504.72x = 326,891,661.08
  5. Step 5: Solve for x
    x = 326,891,661.08/20,504.72
  6. Step 6: Final answer
    x = 15,942.26

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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.