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Finding the Fourth Proportional to 18,151.63, 25,051.08 and 10,193.38

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Solution

The fourth proportional to 18,151.63, 25,051.08 and 10,193.38 is: 14,067.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.63 : 25,051.08 = 10,193.38 : x
  2. Step 2: Convert to fraction form
    18,151.63/25,051.08 = 10,193.38/x
  3. Step 3: Cross multiply
    18,151.63x = 25,051.08 × 10,193.38
  4. Step 4: Simplify right side
    18,151.63x = 255,355,177.85
  5. Step 5: Solve for x
    x = 255,355,177.85/18,151.63
  6. Step 6: Final answer
    x = 14,067.89

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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.