Home / 18,996.71-28,493.37-8,467.25

Finding the Fourth Proportional to 18,996.71, 28,493.37 and 8,467.25

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Solution

The fourth proportional to 18,996.71, 28,493.37 and 8,467.25 is: 12,700.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,996.71 : 28,493.37 = 8,467.25 : x
  2. Step 2: Convert to fraction form
    18,996.71/28,493.37 = 8,467.25/x
  3. Step 3: Cross multiply
    18,996.71x = 28,493.37 × 8,467.25
  4. Step 4: Simplify right side
    18,996.71x = 241,260,344.67
  5. Step 5: Solve for x
    x = 241,260,344.67/18,996.71
  6. Step 6: Final answer
    x = 12,700.12

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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.