Home / 24,520.96-36,782.78-7,879.71

Finding the Fourth Proportional to 24,520.96, 36,782.78 and 7,879.71

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Solution

The fourth proportional to 24,520.96, 36,782.78 and 7,879.71 is: 11,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,520.96 : 36,782.78 = 7,879.71 : x
  2. Step 2: Convert to fraction form
    24,520.96/36,782.78 = 7,879.71/x
  3. Step 3: Cross multiply
    24,520.96x = 36,782.78 × 7,879.71
  4. Step 4: Simplify right side
    24,520.96x = 289,837,737.93
  5. Step 5: Solve for x
    x = 289,837,737.93/24,520.96
  6. Step 6: Final answer
    x = 11,820.00

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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.