Home / 17,921.21-26,881.50-6,234.17

Finding the Fourth Proportional to 17,921.21, 26,881.50 and 6,234.17

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Solution

The fourth proportional to 17,921.21, 26,881.50 and 6,234.17 is: 9,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,921.21 : 26,881.50 = 6,234.17 : x
  2. Step 2: Convert to fraction form
    17,921.21/26,881.50 = 6,234.17/x
  3. Step 3: Cross multiply
    17,921.21x = 26,881.50 × 6,234.17
  4. Step 4: Simplify right side
    17,921.21x = 167,583,840.86
  5. Step 5: Solve for x
    x = 167,583,840.86/17,921.21
  6. Step 6: Final answer
    x = 9,351.15

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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.