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Finding the Fourth Proportional to 14,771.52, 20,404.14 and 10,950.90

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Solution

The fourth proportional to 14,771.52, 20,404.14 and 10,950.90 is: 15,126.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.52 : 20,404.14 = 10,950.90 : x
  2. Step 2: Convert to fraction form
    14,771.52/20,404.14 = 10,950.90/x
  3. Step 3: Cross multiply
    14,771.52x = 20,404.14 × 10,950.90
  4. Step 4: Simplify right side
    14,771.52x = 223,443,696.73
  5. Step 5: Solve for x
    x = 223,443,696.73/14,771.52
  6. Step 6: Final answer
    x = 15,126.66

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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.