Home / 22,771.51-33,930.89-20,287.24

Finding the Fourth Proportional to 22,771.51, 33,930.89 and 20,287.24

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Solution

The fourth proportional to 22,771.51, 33,930.89 and 20,287.24 is: 30,229.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,771.51 : 33,930.89 = 20,287.24 : x
  2. Step 2: Convert to fraction form
    22,771.51/33,930.89 = 20,287.24/x
  3. Step 3: Cross multiply
    22,771.51x = 33,930.89 × 20,287.24
  4. Step 4: Simplify right side
    22,771.51x = 688,364,074.73
  5. Step 5: Solve for x
    x = 688,364,074.73/22,771.51
  6. Step 6: Final answer
    x = 30,229.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.