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Finding the Fourth Proportional to 14,597.71, 20,226.22 and 14,282.42

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Solution

The fourth proportional to 14,597.71, 20,226.22 and 14,282.42 is: 19,789.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,597.71 : 20,226.22 = 14,282.42 : x
  2. Step 2: Convert to fraction form
    14,597.71/20,226.22 = 14,282.42/x
  3. Step 3: Cross multiply
    14,597.71x = 20,226.22 × 14,282.42
  4. Step 4: Simplify right side
    14,597.71x = 288,879,369.05
  5. Step 5: Solve for x
    x = 288,879,369.05/14,597.71
  6. Step 6: Final answer
    x = 19,789.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.