Home / 19,676.46-27,154.24-11,719.56

Finding the Fourth Proportional to 19,676.46, 27,154.24 and 11,719.56

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Solution

The fourth proportional to 19,676.46, 27,154.24 and 11,719.56 is: 16,173.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.46 : 27,154.24 = 11,719.56 : x
  2. Step 2: Convert to fraction form
    19,676.46/27,154.24 = 11,719.56/x
  3. Step 3: Cross multiply
    19,676.46x = 27,154.24 × 11,719.56
  4. Step 4: Simplify right side
    19,676.46x = 318,235,744.93
  5. Step 5: Solve for x
    x = 318,235,744.93/19,676.46
  6. Step 6: Final answer
    x = 16,173.42

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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.