Home / 20,237.41-30,359.73-9,149.32

Finding the Fourth Proportional to 20,237.41, 30,359.73 and 9,149.32

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Solution

The fourth proportional to 20,237.41, 30,359.73 and 9,149.32 is: 13,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,237.41 : 30,359.73 = 9,149.32 : x
  2. Step 2: Convert to fraction form
    20,237.41/30,359.73 = 9,149.32/x
  3. Step 3: Cross multiply
    20,237.41x = 30,359.73 × 9,149.32
  4. Step 4: Simplify right side
    20,237.41x = 277,770,884.88
  5. Step 5: Solve for x
    x = 277,770,884.88/20,237.41
  6. Step 6: Final answer
    x = 13,725.61

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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.