Home / 18,712.82-28,073.70-6,232.95

Finding the Fourth Proportional to 18,712.82, 28,073.70 and 6,232.95

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Solution

The fourth proportional to 18,712.82, 28,073.70 and 6,232.95 is: 9,350.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712.82 : 28,073.70 = 6,232.95 : x
  2. Step 2: Convert to fraction form
    18,712.82/28,073.70 = 6,232.95/x
  3. Step 3: Cross multiply
    18,712.82x = 28,073.70 × 6,232.95
  4. Step 4: Simplify right side
    18,712.82x = 174,981,968.42
  5. Step 5: Solve for x
    x = 174,981,968.42/18,712.82
  6. Step 6: Final answer
    x = 9,350.91

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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.