Home / 14,550.96-20,079.72-8,263.68

Finding the Fourth Proportional to 14,550.96, 20,079.72 and 8,263.68

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Solution

The fourth proportional to 14,550.96, 20,079.72 and 8,263.68 is: 11,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,550.96 : 20,079.72 = 8,263.68 : x
  2. Step 2: Convert to fraction form
    14,550.96/20,079.72 = 8,263.68/x
  3. Step 3: Cross multiply
    14,550.96x = 20,079.72 × 8,263.68
  4. Step 4: Simplify right side
    14,550.96x = 165,932,380.57
  5. Step 5: Solve for x
    x = 165,932,380.57/14,550.96
  6. Step 6: Final answer
    x = 11,403.53

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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.