Home / 26,876.66-40,318.43-8,858.85

Finding the Fourth Proportional to 26,876.66, 40,318.43 and 8,858.85

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Solution

The fourth proportional to 26,876.66, 40,318.43 and 8,858.85 is: 13,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,876.66 : 40,318.43 = 8,858.85 : x
  2. Step 2: Convert to fraction form
    26,876.66/40,318.43 = 8,858.85/x
  3. Step 3: Cross multiply
    26,876.66x = 40,318.43 × 8,858.85
  4. Step 4: Simplify right side
    26,876.66x = 357,174,879.31
  5. Step 5: Solve for x
    x = 357,174,879.31/26,876.66
  6. Step 6: Final answer
    x = 13,289.41

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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.