Home / 20,504.94-28,296.92-11,552.58

Finding the Fourth Proportional to 20,504.94, 28,296.92 and 11,552.58

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Solution

The fourth proportional to 20,504.94, 28,296.92 and 11,552.58 is: 15,942.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.94 : 28,296.92 = 11,552.58 : x
  2. Step 2: Convert to fraction form
    20,504.94/28,296.92 = 11,552.58/x
  3. Step 3: Cross multiply
    20,504.94x = 28,296.92 × 11,552.58
  4. Step 4: Simplify right side
    20,504.94x = 326,902,374.29
  5. Step 5: Solve for x
    x = 326,902,374.29/20,504.94
  6. Step 6: Final answer
    x = 15,942.62

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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.