Home / 12,868.27-19,299.20-8,733.93

Finding the Fourth Proportional to 12,868.27, 19,299.20 and 8,733.93

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Solution

The fourth proportional to 12,868.27, 19,299.20 and 8,733.93 is: 13,098.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868.27 : 19,299.20 = 8,733.93 : x
  2. Step 2: Convert to fraction form
    12,868.27/19,299.20 = 8,733.93/x
  3. Step 3: Cross multiply
    12,868.27x = 19,299.20 × 8,733.93
  4. Step 4: Simplify right side
    12,868.27x = 168,557,745.81
  5. Step 5: Solve for x
    x = 168,557,745.81/12,868.27
  6. Step 6: Final answer
    x = 13,098.71

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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.