Home / 19,163.20-28,707.44-10,817.98

Finding the Fourth Proportional to 19,163.20, 28,707.44 and 10,817.98

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Solution

The fourth proportional to 19,163.20, 28,707.44 and 10,817.98 is: 16,205.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.20 : 28,707.44 = 10,817.98 : x
  2. Step 2: Convert to fraction form
    19,163.20/28,707.44 = 10,817.98/x
  3. Step 3: Cross multiply
    19,163.20x = 28,707.44 × 10,817.98
  4. Step 4: Simplify right side
    19,163.20x = 310,556,511.77
  5. Step 5: Solve for x
    x = 310,556,511.77/19,163.20
  6. Step 6: Final answer
    x = 16,205.88

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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.