Home / 13,175.22-19,738.90-7,616.82

Finding the Fourth Proportional to 13,175.22, 19,738.90 and 7,616.82

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Solution

The fourth proportional to 13,175.22, 19,738.90 and 7,616.82 is: 11,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,175.22 : 19,738.90 = 7,616.82 : x
  2. Step 2: Convert to fraction form
    13,175.22/19,738.90 = 7,616.82/x
  3. Step 3: Cross multiply
    13,175.22x = 19,738.90 × 7,616.82
  4. Step 4: Simplify right side
    13,175.22x = 150,347,648.30
  5. Step 5: Solve for x
    x = 150,347,648.30/13,175.22
  6. Step 6: Final answer
    x = 11,411.40

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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.