Home / 19,531.03-29,296.56-4,739.97

Finding the Fourth Proportional to 19,531.03, 29,296.56 and 4,739.97

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Solution

The fourth proportional to 19,531.03, 29,296.56 and 4,739.97 is: 7,109.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,531.03 : 29,296.56 = 4,739.97 : x
  2. Step 2: Convert to fraction form
    19,531.03/29,296.56 = 4,739.97/x
  3. Step 3: Cross multiply
    19,531.03x = 29,296.56 × 4,739.97
  4. Step 4: Simplify right side
    19,531.03x = 138,864,815.50
  5. Step 5: Solve for x
    x = 138,864,815.50/19,531.03
  6. Step 6: Final answer
    x = 7,109.96

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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.