Home / 26,112.69-39,164.40-11,877.83

Finding the Fourth Proportional to 26,112.69, 39,164.40 and 11,877.83

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Solution

The fourth proportional to 26,112.69, 39,164.40 and 11,877.83 is: 17,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112.69 : 39,164.40 = 11,877.83 : x
  2. Step 2: Convert to fraction form
    26,112.69/39,164.40 = 11,877.83/x
  3. Step 3: Cross multiply
    26,112.69x = 39,164.40 × 11,877.83
  4. Step 4: Simplify right side
    26,112.69x = 465,188,085.25
  5. Step 5: Solve for x
    x = 465,188,085.25/26,112.69
  6. Step 6: Final answer
    x = 17,814.64

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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.