Home / 14,910.55-20,577.10-8,196.43

Finding the Fourth Proportional to 14,910.55, 20,577.10 and 8,196.43

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Solution

The fourth proportional to 14,910.55, 20,577.10 and 8,196.43 is: 11,311.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,910.55 : 20,577.10 = 8,196.43 : x
  2. Step 2: Convert to fraction form
    14,910.55/20,577.10 = 8,196.43/x
  3. Step 3: Cross multiply
    14,910.55x = 20,577.10 × 8,196.43
  4. Step 4: Simplify right side
    14,910.55x = 168,658,759.75
  5. Step 5: Solve for x
    x = 168,658,759.75/14,910.55
  6. Step 6: Final answer
    x = 11,311.37

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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.