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Finding the Fourth Proportional to 14,843.96, 22,230.60 and 8,590.80

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Solution

The fourth proportional to 14,843.96, 22,230.60 and 8,590.80 is: 12,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,843.96 : 22,230.60 = 8,590.80 : x
  2. Step 2: Convert to fraction form
    14,843.96/22,230.60 = 8,590.80/x
  3. Step 3: Cross multiply
    14,843.96x = 22,230.60 × 8,590.80
  4. Step 4: Simplify right side
    14,843.96x = 190,978,638.48
  5. Step 5: Solve for x
    x = 190,978,638.48/14,843.96
  6. Step 6: Final answer
    x = 12,865.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.