Home / 14,910.75-20,577.10-8,196.66

Finding the Fourth Proportional to 14,910.75, 20,577.10 and 8,196.66

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Solution

The fourth proportional to 14,910.75, 20,577.10 and 8,196.66 is: 11,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.75 : 20,577.10 = 8,196.66 : x
  2. Step 2: Convert to fraction form
    14,910.75/20,577.10 = 8,196.66/x
  3. Step 3: Cross multiply
    14,910.75x = 20,577.10 × 8,196.66
  4. Step 4: Simplify right side
    14,910.75x = 168,663,451.50
  5. Step 5: Solve for x
    x = 168,663,451.50/14,910.75
  6. Step 6: Final answer
    x = 11,311.53

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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.