Home / 16,586.40-24,879.60-13,305.90

Finding the Fourth Proportional to 16,586.40, 24,879.60 and 13,305.90

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Solution

The fourth proportional to 16,586.40, 24,879.60 and 13,305.90 is: 19,958.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,586.40 : 24,879.60 = 13,305.90 : x
  2. Step 2: Convert to fraction form
    16,586.40/24,879.60 = 13,305.90/x
  3. Step 3: Cross multiply
    16,586.40x = 24,879.60 × 13,305.90
  4. Step 4: Simplify right side
    16,586.40x = 331,045,469.64
  5. Step 5: Solve for x
    x = 331,045,469.64/16,586.40
  6. Step 6: Final answer
    x = 19,958.85

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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.