Home / 20,249.73-27,940.41-14,880.60

Finding the Fourth Proportional to 20,249.73, 27,940.41 and 14,880.60

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Solution

The fourth proportional to 20,249.73, 27,940.41 and 14,880.60 is: 20,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,249.73 : 27,940.41 = 14,880.60 : x
  2. Step 2: Convert to fraction form
    20,249.73/27,940.41 = 14,880.60/x
  3. Step 3: Cross multiply
    20,249.73x = 27,940.41 × 14,880.60
  4. Step 4: Simplify right side
    20,249.73x = 415,770,065.05
  5. Step 5: Solve for x
    x = 415,770,065.05/20,249.73
  6. Step 6: Final answer
    x = 20,532.13

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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.