Home / 14,734.55-20,333.39-8,020.30

Finding the Fourth Proportional to 14,734.55, 20,333.39 and 8,020.30

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Solution

The fourth proportional to 14,734.55, 20,333.39 and 8,020.30 is: 11,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,734.55 : 20,333.39 = 8,020.30 : x
  2. Step 2: Convert to fraction form
    14,734.55/20,333.39 = 8,020.30/x
  3. Step 3: Cross multiply
    14,734.55x = 20,333.39 × 8,020.30
  4. Step 4: Simplify right side
    14,734.55x = 163,079,887.82
  5. Step 5: Solve for x
    x = 163,079,887.82/14,734.55
  6. Step 6: Final answer
    x = 11,067.86

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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.