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Finding the Fourth Proportional to 18,137.25, 25,029.51 and 10,588.83

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Solution

The fourth proportional to 18,137.25, 25,029.51 and 10,588.83 is: 14,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137.25 : 25,029.51 = 10,588.83 : x
  2. Step 2: Convert to fraction form
    18,137.25/25,029.51 = 10,588.83/x
  3. Step 3: Cross multiply
    18,137.25x = 25,029.51 × 10,588.83
  4. Step 4: Simplify right side
    18,137.25x = 265,033,226.37
  5. Step 5: Solve for x
    x = 265,033,226.37/18,137.25
  6. Step 6: Final answer
    x = 14,612.65

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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.