Home / 13,255.48-19,883.92-3,394.84

Finding the Fourth Proportional to 13,255.48, 19,883.92 and 3,394.84

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Solution

The fourth proportional to 13,255.48, 19,883.92 and 3,394.84 is: 5,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.48 : 19,883.92 = 3,394.84 : x
  2. Step 2: Convert to fraction form
    13,255.48/19,883.92 = 3,394.84/x
  3. Step 3: Cross multiply
    13,255.48x = 19,883.92 × 3,394.84
  4. Step 4: Simplify right side
    13,255.48x = 67,502,726.97
  5. Step 5: Solve for x
    x = 67,502,726.97/13,255.48
  6. Step 6: Final answer
    x = 5,092.44

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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.