Home / 12,896.95-19,389.17-10,297.66

Finding the Fourth Proportional to 12,896.95, 19,389.17 and 10,297.66

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Solution

The fourth proportional to 12,896.95, 19,389.17 and 10,297.66 is: 15,481.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.95 : 19,389.17 = 10,297.66 : x
  2. Step 2: Convert to fraction form
    12,896.95/19,389.17 = 10,297.66/x
  3. Step 3: Cross multiply
    12,896.95x = 19,389.17 × 10,297.66
  4. Step 4: Simplify right side
    12,896.95x = 199,663,028.85
  5. Step 5: Solve for x
    x = 199,663,028.85/12,896.95
  6. Step 6: Final answer
    x = 15,481.41

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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.