Home / 21,676.35-32,518.49-8,528.43

Finding the Fourth Proportional to 21,676.35, 32,518.49 and 8,528.43

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Solution

The fourth proportional to 21,676.35, 32,518.49 and 8,528.43 is: 12,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,676.35 : 32,518.49 = 8,528.43 : x
  2. Step 2: Convert to fraction form
    21,676.35/32,518.49 = 8,528.43/x
  3. Step 3: Cross multiply
    21,676.35x = 32,518.49 × 8,528.43
  4. Step 4: Simplify right side
    21,676.35x = 277,331,623.03
  5. Step 5: Solve for x
    x = 277,331,623.03/21,676.35
  6. Step 6: Final answer
    x = 12,794.20

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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.