Home / 19,539.22-26,963.84-11,879.86

Finding the Fourth Proportional to 19,539.22, 26,963.84 and 11,879.86

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Solution

The fourth proportional to 19,539.22, 26,963.84 and 11,879.86 is: 16,394.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.22 : 26,963.84 = 11,879.86 : x
  2. Step 2: Convert to fraction form
    19,539.22/26,963.84 = 11,879.86/x
  3. Step 3: Cross multiply
    19,539.22x = 26,963.84 × 11,879.86
  4. Step 4: Simplify right side
    19,539.22x = 320,326,644.26
  5. Step 5: Solve for x
    x = 320,326,644.26/19,539.22
  6. Step 6: Final answer
    x = 16,394.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.