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Finding the Fourth Proportional to 14,893.67, 20,549.60 and 8,433.42

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Solution

The fourth proportional to 14,893.67, 20,549.60 and 8,433.42 is: 11,636.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,893.67 : 20,549.60 = 8,433.42 : x
  2. Step 2: Convert to fraction form
    14,893.67/20,549.60 = 8,433.42/x
  3. Step 3: Cross multiply
    14,893.67x = 20,549.60 × 8,433.42
  4. Step 4: Simplify right side
    14,893.67x = 173,303,320.03
  5. Step 5: Solve for x
    x = 173,303,320.03/14,893.67
  6. Step 6: Final answer
    x = 11,636.04

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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.