Home / 19,676.84-27,144.42-11,716.52

Finding the Fourth Proportional to 19,676.84, 27,144.42 and 11,716.52

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Solution

The fourth proportional to 19,676.84, 27,144.42 and 11,716.52 is: 16,163.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.84 : 27,144.42 = 11,716.52 : x
  2. Step 2: Convert to fraction form
    19,676.84/27,144.42 = 11,716.52/x
  3. Step 3: Cross multiply
    19,676.84x = 27,144.42 × 11,716.52
  4. Step 4: Simplify right side
    19,676.84x = 318,038,139.82
  5. Step 5: Solve for x
    x = 318,038,139.82/19,676.84
  6. Step 6: Final answer
    x = 16,163.07

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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.