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Finding the Fourth Proportional to 17,676.40, 26,579.40 and 14,825.20

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Solution

The fourth proportional to 17,676.40, 26,579.40 and 14,825.20 is: 22,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,676.40 : 26,579.40 = 14,825.20 : x
  2. Step 2: Convert to fraction form
    17,676.40/26,579.40 = 14,825.20/x
  3. Step 3: Cross multiply
    17,676.40x = 26,579.40 × 14,825.20
  4. Step 4: Simplify right side
    17,676.40x = 394,044,920.88
  5. Step 5: Solve for x
    x = 394,044,920.88/17,676.40
  6. Step 6: Final answer
    x = 22,292.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.