Home / 14,911.41-20,577.92-8,105.45

Finding the Fourth Proportional to 14,911.41, 20,577.92 and 8,105.45

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Solution

The fourth proportional to 14,911.41, 20,577.92 and 8,105.45 is: 11,185.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.41 : 20,577.92 = 8,105.45 : x
  2. Step 2: Convert to fraction form
    14,911.41/20,577.92 = 8,105.45/x
  3. Step 3: Cross multiply
    14,911.41x = 20,577.92 × 8,105.45
  4. Step 4: Simplify right side
    14,911.41x = 166,793,158.25
  5. Step 5: Solve for x
    x = 166,793,158.25/14,911.41
  6. Step 6: Final answer
    x = 11,185.61

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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.