Home / 18,398.05-27,575.47-8,516.46

Finding the Fourth Proportional to 18,398.05, 27,575.47 and 8,516.46

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Solution

The fourth proportional to 18,398.05, 27,575.47 and 8,516.46 is: 12,764.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.05 : 27,575.47 = 8,516.46 : x
  2. Step 2: Convert to fraction form
    18,398.05/27,575.47 = 8,516.46/x
  3. Step 3: Cross multiply
    18,398.05x = 27,575.47 × 8,516.46
  4. Step 4: Simplify right side
    18,398.05x = 234,845,387.24
  5. Step 5: Solve for x
    x = 234,845,387.24/18,398.05
  6. Step 6: Final answer
    x = 12,764.69

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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.