Home / 19,739.14-27,231.27-11,776.74

Finding the Fourth Proportional to 19,739.14, 27,231.27 and 11,776.74

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Solution

The fourth proportional to 19,739.14, 27,231.27 and 11,776.74 is: 16,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.14 : 27,231.27 = 11,776.74 : x
  2. Step 2: Convert to fraction form
    19,739.14/27,231.27 = 11,776.74/x
  3. Step 3: Cross multiply
    19,739.14x = 27,231.27 × 11,776.74
  4. Step 4: Simplify right side
    19,739.14x = 320,695,659.80
  5. Step 5: Solve for x
    x = 320,695,659.80/19,739.14
  6. Step 6: Final answer
    x = 16,246.69

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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.