Home / 14,912.93-20,577.84-9,245.61

Finding the Fourth Proportional to 14,912.93, 20,577.84 and 9,245.61

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Solution

The fourth proportional to 14,912.93, 20,577.84 and 9,245.61 is: 12,757.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,912.93 : 20,577.84 = 9,245.61 : x
  2. Step 2: Convert to fraction form
    14,912.93/20,577.84 = 9,245.61/x
  3. Step 3: Cross multiply
    14,912.93x = 20,577.84 × 9,245.61
  4. Step 4: Simplify right side
    14,912.93x = 190,254,654.95
  5. Step 5: Solve for x
    x = 190,254,654.95/14,912.93
  6. Step 6: Final answer
    x = 12,757.70

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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.