Home / 19,481.56-26,886.64-11,932.96

Finding the Fourth Proportional to 19,481.56, 26,886.64 and 11,932.96

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Solution

The fourth proportional to 19,481.56, 26,886.64 and 11,932.96 is: 16,468.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.56 : 26,886.64 = 11,932.96 : x
  2. Step 2: Convert to fraction form
    19,481.56/26,886.64 = 11,932.96/x
  3. Step 3: Cross multiply
    19,481.56x = 26,886.64 × 11,932.96
  4. Step 4: Simplify right side
    19,481.56x = 320,837,199.65
  5. Step 5: Solve for x
    x = 320,837,199.65/19,481.56
  6. Step 6: Final answer
    x = 16,468.76

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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.