Home / 14,793.06-20,414.46-8,078.70

Finding the Fourth Proportional to 14,793.06, 20,414.46 and 8,078.70

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Solution

The fourth proportional to 14,793.06, 20,414.46 and 8,078.70 is: 11,148.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,793.06 : 20,414.46 = 8,078.70 : x
  2. Step 2: Convert to fraction form
    14,793.06/20,414.46 = 8,078.70/x
  3. Step 3: Cross multiply
    14,793.06x = 20,414.46 × 8,078.70
  4. Step 4: Simplify right side
    14,793.06x = 164,922,298.00
  5. Step 5: Solve for x
    x = 164,922,298.00/14,793.06
  6. Step 6: Final answer
    x = 11,148.63

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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.