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Finding the Fourth Proportional to 14,765.73, 20,375.95 and 8,051.30

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Solution

The fourth proportional to 14,765.73, 20,375.95 and 8,051.30 is: 11,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,765.73 : 20,375.95 = 8,051.30 : x
  2. Step 2: Convert to fraction form
    14,765.73/20,375.95 = 8,051.30/x
  3. Step 3: Cross multiply
    14,765.73x = 20,375.95 × 8,051.30
  4. Step 4: Simplify right side
    14,765.73x = 164,052,835.30
  5. Step 5: Solve for x
    x = 164,052,835.30/14,765.73
  6. Step 6: Final answer
    x = 11,110.38

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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.