Home / 14,740.22-20,336.84-8,366.34

Finding the Fourth Proportional to 14,740.22, 20,336.84 and 8,366.34

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Solution

The fourth proportional to 14,740.22, 20,336.84 and 8,366.34 is: 11,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,740.22 : 20,336.84 = 8,366.34 : x
  2. Step 2: Convert to fraction form
    14,740.22/20,336.84 = 8,366.34/x
  3. Step 3: Cross multiply
    14,740.22x = 20,336.84 × 8,366.34
  4. Step 4: Simplify right side
    14,740.22x = 170,144,917.97
  5. Step 5: Solve for x
    x = 170,144,917.97/14,740.22
  6. Step 6: Final answer
    x = 11,542.90

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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.