Home / 17,961.74-26,972.63-11,223

Finding the Fourth Proportional to 17,961.74, 26,972.63 and 11,223

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Solution

The fourth proportional to 17,961.74, 26,972.63 and 11,223 is: 16,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,961.74 : 26,972.63 = 11,223 : x
  2. Step 2: Convert to fraction form
    17,961.74/26,972.63 = 11,223/x
  3. Step 3: Cross multiply
    17,961.74x = 26,972.63 × 11,223
  4. Step 4: Simplify right side
    17,961.74x = 302,713,770.38
  5. Step 5: Solve for x
    x = 302,713,770.38/17,961.74
  6. Step 6: Final answer
    x = 16,853.26

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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.