Home / 14,634.95-20,194.94-8,665.61

Finding the Fourth Proportional to 14,634.95, 20,194.94 and 8,665.61

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Solution

The fourth proportional to 14,634.95, 20,194.94 and 8,665.61 is: 11,957.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.95 : 20,194.94 = 8,665.61 : x
  2. Step 2: Convert to fraction form
    14,634.95/20,194.94 = 8,665.61/x
  3. Step 3: Cross multiply
    14,634.95x = 20,194.94 × 8,665.61
  4. Step 4: Simplify right side
    14,634.95x = 175,001,394.70
  5. Step 5: Solve for x
    x = 175,001,394.70/14,634.95
  6. Step 6: Final answer
    x = 11,957.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.