Home / 26,650.34-39,979.41-8,874.98

Finding the Fourth Proportional to 26,650.34, 39,979.41 and 8,874.98

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Solution

The fourth proportional to 26,650.34, 39,979.41 and 8,874.98 is: 13,313.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,650.34 : 39,979.41 = 8,874.98 : x
  2. Step 2: Convert to fraction form
    26,650.34/39,979.41 = 8,874.98/x
  3. Step 3: Cross multiply
    26,650.34x = 39,979.41 × 8,874.98
  4. Step 4: Simplify right side
    26,650.34x = 354,816,464.16
  5. Step 5: Solve for x
    x = 354,816,464.16/26,650.34
  6. Step 6: Final answer
    x = 13,313.77

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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.