Home / 19,742.08-27,245.69-11,246.86

Finding the Fourth Proportional to 19,742.08, 27,245.69 and 11,246.86

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Solution

The fourth proportional to 19,742.08, 27,245.69 and 11,246.86 is: 15,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,742.08 : 27,245.69 = 11,246.86 : x
  2. Step 2: Convert to fraction form
    19,742.08/27,245.69 = 11,246.86/x
  3. Step 3: Cross multiply
    19,742.08x = 27,245.69 × 11,246.86
  4. Step 4: Simplify right side
    19,742.08x = 306,428,481.03
  5. Step 5: Solve for x
    x = 306,428,481.03/19,742.08
  6. Step 6: Final answer
    x = 15,521.59

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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.