Home / 14,793.45-20,414.81-8,079.36

Finding the Fourth Proportional to 14,793.45, 20,414.81 and 8,079.36

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Solution

The fourth proportional to 14,793.45, 20,414.81 and 8,079.36 is: 11,149.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,793.45 : 20,414.81 = 8,079.36 : x
  2. Step 2: Convert to fraction form
    14,793.45/20,414.81 = 8,079.36/x
  3. Step 3: Cross multiply
    14,793.45x = 20,414.81 × 8,079.36
  4. Step 4: Simplify right side
    14,793.45x = 164,938,558.92
  5. Step 5: Solve for x
    x = 164,938,558.92/14,793.45
  6. Step 6: Final answer
    x = 11,149.43

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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.