Home / 19,414.22-26,780.68-11,651.05

Finding the Fourth Proportional to 19,414.22, 26,780.68 and 11,651.05

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Solution

The fourth proportional to 19,414.22, 26,780.68 and 11,651.05 is: 16,071.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,414.22 : 26,780.68 = 11,651.05 : x
  2. Step 2: Convert to fraction form
    19,414.22/26,780.68 = 11,651.05/x
  3. Step 3: Cross multiply
    19,414.22x = 26,780.68 × 11,651.05
  4. Step 4: Simplify right side
    19,414.22x = 312,022,971.64
  5. Step 5: Solve for x
    x = 312,022,971.64/19,414.22
  6. Step 6: Final answer
    x = 16,071.88

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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.