Home / 19,393.22-29,098.72-11,511.37

Finding the Fourth Proportional to 19,393.22, 29,098.72 and 11,511.37

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Solution

The fourth proportional to 19,393.22, 29,098.72 and 11,511.37 is: 17,272.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.22 : 29,098.72 = 11,511.37 : x
  2. Step 2: Convert to fraction form
    19,393.22/29,098.72 = 11,511.37/x
  3. Step 3: Cross multiply
    19,393.22x = 29,098.72 × 11,511.37
  4. Step 4: Simplify right side
    19,393.22x = 334,965,987.15
  5. Step 5: Solve for x
    x = 334,965,987.15/19,393.22
  6. Step 6: Final answer
    x = 17,272.32

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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.