Home / 17,782.19-26,682.60-11,540.74

Finding the Fourth Proportional to 17,782.19, 26,682.60 and 11,540.74

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Solution

The fourth proportional to 17,782.19, 26,682.60 and 11,540.74 is: 17,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,782.19 : 26,682.60 = 11,540.74 : x
  2. Step 2: Convert to fraction form
    17,782.19/26,682.60 = 11,540.74/x
  3. Step 3: Cross multiply
    17,782.19x = 26,682.60 × 11,540.74
  4. Step 4: Simplify right side
    17,782.19x = 307,936,949.12
  5. Step 5: Solve for x
    x = 307,936,949.12/17,782.19
  6. Step 6: Final answer
    x = 17,317.16

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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.