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Finding the Fourth Proportional to 14,654.56, 20,224.74 and 8,367.88

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Solution

The fourth proportional to 14,654.56, 20,224.74 and 8,367.88 is: 11,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,654.56 : 20,224.74 = 8,367.88 : x
  2. Step 2: Convert to fraction form
    14,654.56/20,224.74 = 8,367.88/x
  3. Step 3: Cross multiply
    14,654.56x = 20,224.74 × 8,367.88
  4. Step 4: Simplify right side
    14,654.56x = 169,238,197.35
  5. Step 5: Solve for x
    x = 169,238,197.35/14,654.56
  6. Step 6: Final answer
    x = 11,548.50

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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.