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Finding the Fourth Proportional to 14,766.60, 22,125.60 and 13,891.80

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Solution

The fourth proportional to 14,766.60, 22,125.60 and 13,891.80 is: 20,814.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,766.60 : 22,125.60 = 13,891.80 : x
  2. Step 2: Convert to fraction form
    14,766.60/22,125.60 = 13,891.80/x
  3. Step 3: Cross multiply
    14,766.60x = 22,125.60 × 13,891.80
  4. Step 4: Simplify right side
    14,766.60x = 307,364,410.08
  5. Step 5: Solve for x
    x = 307,364,410.08/14,766.60
  6. Step 6: Final answer
    x = 20,814.84

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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.