Home / 20,152.80-30,227.58-7,003.26

Finding the Fourth Proportional to 20,152.80, 30,227.58 and 7,003.26

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Solution

The fourth proportional to 20,152.80, 30,227.58 and 7,003.26 is: 10,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.80 : 30,227.58 = 7,003.26 : x
  2. Step 2: Convert to fraction form
    20,152.80/30,227.58 = 7,003.26/x
  3. Step 3: Cross multiply
    20,152.80x = 30,227.58 × 7,003.26
  4. Step 4: Simplify right side
    20,152.80x = 211,691,601.91
  5. Step 5: Solve for x
    x = 211,691,601.91/20,152.80
  6. Step 6: Final answer
    x = 10,504.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.