Home / 19,481.67-29,223.59-8,393.31

Finding the Fourth Proportional to 19,481.67, 29,223.59 and 8,393.31

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Solution

The fourth proportional to 19,481.67, 29,223.59 and 8,393.31 is: 12,590.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.67 : 29,223.59 = 8,393.31 : x
  2. Step 2: Convert to fraction form
    19,481.67/29,223.59 = 8,393.31/x
  3. Step 3: Cross multiply
    19,481.67x = 29,223.59 × 8,393.31
  4. Step 4: Simplify right side
    19,481.67x = 245,282,608.22
  5. Step 5: Solve for x
    x = 245,282,608.22/19,481.67
  6. Step 6: Final answer
    x = 12,590.43

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1.5x scale

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.