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Finding the Fourth Proportional to 14,808.56, 20,435.19 and 8,094.16

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Solution

The fourth proportional to 14,808.56, 20,435.19 and 8,094.16 is: 11,169.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808.56 : 20,435.19 = 8,094.16 : x
  2. Step 2: Convert to fraction form
    14,808.56/20,435.19 = 8,094.16/x
  3. Step 3: Cross multiply
    14,808.56x = 20,435.19 × 8,094.16
  4. Step 4: Simplify right side
    14,808.56x = 165,405,692.68
  5. Step 5: Solve for x
    x = 165,405,692.68/14,808.56
  6. Step 6: Final answer
    x = 11,169.60

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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.