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Finding the Fourth Proportional to 18,137.97, 25,039.26 and 14,095.26

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Solution

The fourth proportional to 18,137.97, 25,039.26 and 14,095.26 is: 19,458.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.97 : 25,039.26 = 14,095.26 : x
  2. Step 2: Convert to fraction form
    18,137.97/25,039.26 = 14,095.26/x
  3. Step 3: Cross multiply
    18,137.97x = 25,039.26 × 14,095.26
  4. Step 4: Simplify right side
    18,137.97x = 352,934,879.91
  5. Step 5: Solve for x
    x = 352,934,879.91/18,137.97
  6. Step 6: Final answer
    x = 19,458.35

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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.