Home / 20,226.52-30,336.94-8,537

Finding the Fourth Proportional to 20,226.52, 30,336.94 and 8,537

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Solution

The fourth proportional to 20,226.52, 30,336.94 and 8,537 is: 12,804.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226.52 : 30,336.94 = 8,537 : x
  2. Step 2: Convert to fraction form
    20,226.52/30,336.94 = 8,537/x
  3. Step 3: Cross multiply
    20,226.52x = 30,336.94 × 8,537
  4. Step 4: Simplify right side
    20,226.52x = 258,986,414.10
  5. Step 5: Solve for x
    x = 258,986,414.10/20,226.52
  6. Step 6: Final answer
    x = 12,804.30

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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.