Home / 18,284.97-27,389.18-11,677.53

Finding the Fourth Proportional to 18,284.97, 27,389.18 and 11,677.53

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Solution

The fourth proportional to 18,284.97, 27,389.18 and 11,677.53 is: 17,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,284.97 : 27,389.18 = 11,677.53 : x
  2. Step 2: Convert to fraction form
    18,284.97/27,389.18 = 11,677.53/x
  3. Step 3: Cross multiply
    18,284.97x = 27,389.18 × 11,677.53
  4. Step 4: Simplify right side
    18,284.97x = 319,837,971.13
  5. Step 5: Solve for x
    x = 319,837,971.13/18,284.97
  6. Step 6: Final answer
    x = 17,491.85

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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.