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Finding the Fourth Proportional to 18,195.84, 25,107.12 and 10,237.44

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Solution

The fourth proportional to 18,195.84, 25,107.12 and 10,237.44 is: 14,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,195.84 : 25,107.12 = 10,237.44 : x
  2. Step 2: Convert to fraction form
    18,195.84/25,107.12 = 10,237.44/x
  3. Step 3: Cross multiply
    18,195.84x = 25,107.12 × 10,237.44
  4. Step 4: Simplify right side
    18,195.84x = 257,032,634.57
  5. Step 5: Solve for x
    x = 257,032,634.57/18,195.84
  6. Step 6: Final answer
    x = 14,125.90

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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.