Home / 21,249.08-29,326.04-12,296.44

Finding the Fourth Proportional to 21,249.08, 29,326.04 and 12,296.44

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Solution

The fourth proportional to 21,249.08, 29,326.04 and 12,296.44 is: 16,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,249.08 : 29,326.04 = 12,296.44 : x
  2. Step 2: Convert to fraction form
    21,249.08/29,326.04 = 12,296.44/x
  3. Step 3: Cross multiply
    21,249.08x = 29,326.04 × 12,296.44
  4. Step 4: Simplify right side
    21,249.08x = 360,605,891.30
  5. Step 5: Solve for x
    x = 360,605,891.30/21,249.08
  6. Step 6: Final answer
    x = 16,970.42

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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.