Home / 20,542.41-30,799.71-8,054.64

Finding the Fourth Proportional to 20,542.41, 30,799.71 and 8,054.64

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Solution

The fourth proportional to 20,542.41, 30,799.71 and 8,054.64 is: 12,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,542.41 : 30,799.71 = 8,054.64 : x
  2. Step 2: Convert to fraction form
    20,542.41/30,799.71 = 8,054.64/x
  3. Step 3: Cross multiply
    20,542.41x = 30,799.71 × 8,054.64
  4. Step 4: Simplify right side
    20,542.41x = 248,080,576.15
  5. Step 5: Solve for x
    x = 248,080,576.15/20,542.41
  6. Step 6: Final answer
    x = 12,076.51

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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.