Home / 17,379.22-23,961.81-11,780.50

Finding the Fourth Proportional to 17,379.22, 23,961.81 and 11,780.50

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Solution

The fourth proportional to 17,379.22, 23,961.81 and 11,780.50 is: 16,242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,379.22 : 23,961.81 = 11,780.50 : x
  2. Step 2: Convert to fraction form
    17,379.22/23,961.81 = 11,780.50/x
  3. Step 3: Cross multiply
    17,379.22x = 23,961.81 × 11,780.50
  4. Step 4: Simplify right side
    17,379.22x = 282,282,102.71
  5. Step 5: Solve for x
    x = 282,282,102.71/17,379.22
  6. Step 6: Final answer
    x = 16,242.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.