Home / 13,163.32-19,732.83-6,583.78

Finding the Fourth Proportional to 13,163.32, 19,732.83 and 6,583.78

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Solution

The fourth proportional to 13,163.32, 19,732.83 and 6,583.78 is: 9,869.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.32 : 19,732.83 = 6,583.78 : x
  2. Step 2: Convert to fraction form
    13,163.32/19,732.83 = 6,583.78/x
  3. Step 3: Cross multiply
    13,163.32x = 19,732.83 × 6,583.78
  4. Step 4: Simplify right side
    13,163.32x = 129,916,611.50
  5. Step 5: Solve for x
    x = 129,916,611.50/13,163.32
  6. Step 6: Final answer
    x = 9,869.59

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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.