Home / 18,370.80-27,534.32-12,793.95

Finding the Fourth Proportional to 18,370.80, 27,534.32 and 12,793.95

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Solution

The fourth proportional to 18,370.80, 27,534.32 and 12,793.95 is: 19,175.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.80 : 27,534.32 = 12,793.95 : x
  2. Step 2: Convert to fraction form
    18,370.80/27,534.32 = 12,793.95/x
  3. Step 3: Cross multiply
    18,370.80x = 27,534.32 × 12,793.95
  4. Step 4: Simplify right side
    18,370.80x = 352,272,713.36
  5. Step 5: Solve for x
    x = 352,272,713.36/18,370.80
  6. Step 6: Final answer
    x = 19,175.69

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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.