Home / 29,269.09-40,381.39-16,520.77

Finding the Fourth Proportional to 29,269.09, 40,381.39 and 16,520.77

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Solution

The fourth proportional to 29,269.09, 40,381.39 and 16,520.77 is: 22,793.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,269.09 : 40,381.39 = 16,520.77 : x
  2. Step 2: Convert to fraction form
    29,269.09/40,381.39 = 16,520.77/x
  3. Step 3: Cross multiply
    29,269.09x = 40,381.39 × 16,520.77
  4. Step 4: Simplify right side
    29,269.09x = 667,131,514.21
  5. Step 5: Solve for x
    x = 667,131,514.21/29,269.09
  6. Step 6: Final answer
    x = 22,793.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.