Home / 17,982.80-26,962.53-8,622.59

Finding the Fourth Proportional to 17,982.80, 26,962.53 and 8,622.59

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Solution

The fourth proportional to 17,982.80, 26,962.53 and 8,622.59 is: 12,928.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.80 : 26,962.53 = 8,622.59 : x
  2. Step 2: Convert to fraction form
    17,982.80/26,962.53 = 8,622.59/x
  3. Step 3: Cross multiply
    17,982.80x = 26,962.53 × 8,622.59
  4. Step 4: Simplify right side
    17,982.80x = 232,486,841.55
  5. Step 5: Solve for x
    x = 232,486,841.55/17,982.80
  6. Step 6: Final answer
    x = 12,928.29

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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.