Home / 17,930.72-26,852.25-15,481.28

Finding the Fourth Proportional to 17,930.72, 26,852.25 and 15,481.28

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Solution

The fourth proportional to 17,930.72, 26,852.25 and 15,481.28 is: 23,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,930.72 : 26,852.25 = 15,481.28 : x
  2. Step 2: Convert to fraction form
    17,930.72/26,852.25 = 15,481.28/x
  3. Step 3: Cross multiply
    17,930.72x = 26,852.25 × 15,481.28
  4. Step 4: Simplify right side
    17,930.72x = 415,707,200.88
  5. Step 5: Solve for x
    x = 415,707,200.88/17,930.72
  6. Step 6: Final answer
    x = 23,184.08

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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.