Home / 12,745.20-19,093.50-7,467.24

Finding the Fourth Proportional to 12,745.20, 19,093.50 and 7,467.24

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Solution

The fourth proportional to 12,745.20, 19,093.50 and 7,467.24 is: 11,186.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,745.20 : 19,093.50 = 7,467.24 : x
  2. Step 2: Convert to fraction form
    12,745.20/19,093.50 = 7,467.24/x
  3. Step 3: Cross multiply
    12,745.20x = 19,093.50 × 7,467.24
  4. Step 4: Simplify right side
    12,745.20x = 142,575,746.94
  5. Step 5: Solve for x
    x = 142,575,746.94/12,745.20
  6. Step 6: Final answer
    x = 11,186.62

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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.