Home / 24,879.12-34,333.20-15,447.68

Finding the Fourth Proportional to 24,879.12, 34,333.20 and 15,447.68

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Solution

The fourth proportional to 24,879.12, 34,333.20 and 15,447.68 is: 21,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,879.12 : 34,333.20 = 15,447.68 : x
  2. Step 2: Convert to fraction form
    24,879.12/34,333.20 = 15,447.68/x
  3. Step 3: Cross multiply
    24,879.12x = 34,333.20 × 15,447.68
  4. Step 4: Simplify right side
    24,879.12x = 530,368,286.98
  5. Step 5: Solve for x
    x = 530,368,286.98/24,879.12
  6. Step 6: Final answer
    x = 21,317.81

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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.