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Finding the Fourth Proportional to 18,714, 25,826.04 and 10,331.04

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Solution

The fourth proportional to 18,714, 25,826.04 and 10,331.04 is: 14,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,714 : 25,826.04 = 10,331.04 : x
  2. Step 2: Convert to fraction form
    18,714/25,826.04 = 10,331.04/x
  3. Step 3: Cross multiply
    18,714x = 25,826.04 × 10,331.04
  4. Step 4: Simplify right side
    18,714x = 266,809,852.28
  5. Step 5: Solve for x
    x = 266,809,852.28/18,714
  6. Step 6: Final answer
    x = 14,257.23

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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.