Home / 17,809.12-26,716.20-6,719.86

Finding the Fourth Proportional to 17,809.12, 26,716.20 and 6,719.86

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Solution

The fourth proportional to 17,809.12, 26,716.20 and 6,719.86 is: 10,080.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,809.12 : 26,716.20 = 6,719.86 : x
  2. Step 2: Convert to fraction form
    17,809.12/26,716.20 = 6,719.86/x
  3. Step 3: Cross multiply
    17,809.12x = 26,716.20 × 6,719.86
  4. Step 4: Simplify right side
    17,809.12x = 179,529,123.73
  5. Step 5: Solve for x
    x = 179,529,123.73/17,809.12
  6. Step 6: Final answer
    x = 10,080.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.