Home / 16,249.13-24,370.61-7,920.77

Finding the Fourth Proportional to 16,249.13, 24,370.61 and 7,920.77

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Solution

The fourth proportional to 16,249.13, 24,370.61 and 7,920.77 is: 11,879.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,249.13 : 24,370.61 = 7,920.77 : x
  2. Step 2: Convert to fraction form
    16,249.13/24,370.61 = 7,920.77/x
  3. Step 3: Cross multiply
    16,249.13x = 24,370.61 × 7,920.77
  4. Step 4: Simplify right side
    16,249.13x = 193,033,835.11
  5. Step 5: Solve for x
    x = 193,033,835.11/16,249.13
  6. Step 6: Final answer
    x = 11,879.64

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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.