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Finding the Fourth Proportional to 14,884.76, 22,343.54 and 8,651.80

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Solution

The fourth proportional to 14,884.76, 22,343.54 and 8,651.80 is: 12,987.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,884.76 : 22,343.54 = 8,651.80 : x
  2. Step 2: Convert to fraction form
    14,884.76/22,343.54 = 8,651.80/x
  3. Step 3: Cross multiply
    14,884.76x = 22,343.54 × 8,651.80
  4. Step 4: Simplify right side
    14,884.76x = 193,311,839.37
  5. Step 5: Solve for x
    x = 193,311,839.37/14,884.76
  6. Step 6: Final answer
    x = 12,987.23

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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.