Home / 17,881.29-26,805.53-9,105.95

Finding the Fourth Proportional to 17,881.29, 26,805.53 and 9,105.95

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Solution

The fourth proportional to 17,881.29, 26,805.53 and 9,105.95 is: 13,650.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,881.29 : 26,805.53 = 9,105.95 : x
  2. Step 2: Convert to fraction form
    17,881.29/26,805.53 = 9,105.95/x
  3. Step 3: Cross multiply
    17,881.29x = 26,805.53 × 9,105.95
  4. Step 4: Simplify right side
    17,881.29x = 244,089,905.68
  5. Step 5: Solve for x
    x = 244,089,905.68/17,881.29
  6. Step 6: Final answer
    x = 13,650.58

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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.