Home / 20,504.97-30,761.55-7,358.37

Finding the Fourth Proportional to 20,504.97, 30,761.55 and 7,358.37

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Solution

The fourth proportional to 20,504.97, 30,761.55 and 7,358.37 is: 11,039.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.97 : 30,761.55 = 7,358.37 : x
  2. Step 2: Convert to fraction form
    20,504.97/30,761.55 = 7,358.37/x
  3. Step 3: Cross multiply
    20,504.97x = 30,761.55 × 7,358.37
  4. Step 4: Simplify right side
    20,504.97x = 226,354,866.67
  5. Step 5: Solve for x
    x = 226,354,866.67/20,504.97
  6. Step 6: Final answer
    x = 11,039.02

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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.