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Finding the Fourth Proportional to 18,794.99, 25,936.80 and 10,297.05

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Solution

The fourth proportional to 18,794.99, 25,936.80 and 10,297.05 is: 14,209.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.99 : 25,936.80 = 10,297.05 : x
  2. Step 2: Convert to fraction form
    18,794.99/25,936.80 = 10,297.05/x
  3. Step 3: Cross multiply
    18,794.99x = 25,936.80 × 10,297.05
  4. Step 4: Simplify right side
    18,794.99x = 267,072,526.44
  5. Step 5: Solve for x
    x = 267,072,526.44/18,794.99
  6. Step 6: Final answer
    x = 14,209.77

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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.