Home / 17,872.69-26,810.85-6,185.87

Finding the Fourth Proportional to 17,872.69, 26,810.85 and 6,185.87

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Solution

The fourth proportional to 17,872.69, 26,810.85 and 6,185.87 is: 9,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,872.69 : 26,810.85 = 6,185.87 : x
  2. Step 2: Convert to fraction form
    17,872.69/26,810.85 = 6,185.87/x
  3. Step 3: Cross multiply
    17,872.69x = 26,810.85 × 6,185.87
  4. Step 4: Simplify right side
    17,872.69x = 165,848,522.91
  5. Step 5: Solve for x
    x = 165,848,522.91/17,872.69
  6. Step 6: Final answer
    x = 9,279.44

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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.