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Finding the Fourth Proportional to 15,596.50, 21,524.19 and 8,792.19

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Solution

The fourth proportional to 15,596.50, 21,524.19 and 8,792.19 is: 12,133.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,596.50 : 21,524.19 = 8,792.19 : x
  2. Step 2: Convert to fraction form
    15,596.50/21,524.19 = 8,792.19/x
  3. Step 3: Cross multiply
    15,596.50x = 21,524.19 × 8,792.19
  4. Step 4: Simplify right side
    15,596.50x = 189,244,768.08
  5. Step 5: Solve for x
    x = 189,244,768.08/15,596.50
  6. Step 6: Final answer
    x = 12,133.80

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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.