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Finding the Fourth Proportional to 18,726.76, 25,797.76 and 16,029.37

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Solution

The fourth proportional to 18,726.76, 25,797.76 and 16,029.37 is: 22,081.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.76 : 25,797.76 = 16,029.37 : x
  2. Step 2: Convert to fraction form
    18,726.76/25,797.76 = 16,029.37/x
  3. Step 3: Cross multiply
    18,726.76x = 25,797.76 × 16,029.37
  4. Step 4: Simplify right side
    18,726.76x = 413,521,840.21
  5. Step 5: Solve for x
    x = 413,521,840.21/18,726.76
  6. Step 6: Final answer
    x = 22,081.87

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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.