Home / 17,918.49-26,881.14-5,911.37

Finding the Fourth Proportional to 17,918.49, 26,881.14 and 5,911.37

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Solution

The fourth proportional to 17,918.49, 26,881.14 and 5,911.37 is: 8,868.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.49 : 26,881.14 = 5,911.37 : x
  2. Step 2: Convert to fraction form
    17,918.49/26,881.14 = 5,911.37/x
  3. Step 3: Cross multiply
    17,918.49x = 26,881.14 × 5,911.37
  4. Step 4: Simplify right side
    17,918.49x = 158,904,395.48
  5. Step 5: Solve for x
    x = 158,904,395.48/17,918.49
  6. Step 6: Final answer
    x = 8,868.18

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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.