Home / 13,154.24-19,745.76-13,105.44

Finding the Fourth Proportional to 13,154.24, 19,745.76 and 13,105.44

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Solution

The fourth proportional to 13,154.24, 19,745.76 and 13,105.44 is: 19,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.24 : 19,745.76 = 13,105.44 : x
  2. Step 2: Convert to fraction form
    13,154.24/19,745.76 = 13,105.44/x
  3. Step 3: Cross multiply
    13,154.24x = 19,745.76 × 13,105.44
  4. Step 4: Simplify right side
    13,154.24x = 258,776,872.93
  5. Step 5: Solve for x
    x = 258,776,872.93/13,154.24
  6. Step 6: Final answer
    x = 19,672.51

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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.