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Finding the Fourth Proportional to 18,794.16, 25,908.34 and 14,310.12

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Solution

The fourth proportional to 18,794.16, 25,908.34 and 14,310.12 is: 19,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.16 : 25,908.34 = 14,310.12 : x
  2. Step 2: Convert to fraction form
    18,794.16/25,908.34 = 14,310.12/x
  3. Step 3: Cross multiply
    18,794.16x = 25,908.34 × 14,310.12
  4. Step 4: Simplify right side
    18,794.16x = 370,751,454.40
  5. Step 5: Solve for x
    x = 370,751,454.40/18,794.16
  6. Step 6: Final answer
    x = 19,726.95

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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.