Home / 13,144.84-19,717.68-5,745.52

Finding the Fourth Proportional to 13,144.84, 19,717.68 and 5,745.52

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Solution

The fourth proportional to 13,144.84, 19,717.68 and 5,745.52 is: 8,618.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144.84 : 19,717.68 = 5,745.52 : x
  2. Step 2: Convert to fraction form
    13,144.84/19,717.68 = 5,745.52/x
  3. Step 3: Cross multiply
    13,144.84x = 19,717.68 × 5,745.52
  4. Step 4: Simplify right side
    13,144.84x = 113,288,324.79
  5. Step 5: Solve for x
    x = 113,288,324.79/13,144.84
  6. Step 6: Final answer
    x = 8,618.46

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1.5x scale

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.