Home / 17,768.98-26,644.15-8,874.78

Finding the Fourth Proportional to 17,768.98, 26,644.15 and 8,874.78

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Solution

The fourth proportional to 17,768.98, 26,644.15 and 8,874.78 is: 13,307.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.98 : 26,644.15 = 8,874.78 : x
  2. Step 2: Convert to fraction form
    17,768.98/26,644.15 = 8,874.78/x
  3. Step 3: Cross multiply
    17,768.98x = 26,644.15 × 8,874.78
  4. Step 4: Simplify right side
    17,768.98x = 236,460,969.54
  5. Step 5: Solve for x
    x = 236,460,969.54/17,768.98
  6. Step 6: Final answer
    x = 13,307.52

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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.