Home / 22,379.92-33,539.61-8,521.36

Finding the Fourth Proportional to 22,379.92, 33,539.61 and 8,521.36

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Solution

The fourth proportional to 22,379.92, 33,539.61 and 8,521.36 is: 12,770.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,379.92 : 33,539.61 = 8,521.36 : x
  2. Step 2: Convert to fraction form
    22,379.92/33,539.61 = 8,521.36/x
  3. Step 3: Cross multiply
    22,379.92x = 33,539.61 × 8,521.36
  4. Step 4: Simplify right side
    22,379.92x = 285,803,091.07
  5. Step 5: Solve for x
    x = 285,803,091.07/22,379.92
  6. Step 6: Final answer
    x = 12,770.51

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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.