Home / 16,623.72-24,935.38-4,777.78

Finding the Fourth Proportional to 16,623.72, 24,935.38 and 4,777.78

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Solution

The fourth proportional to 16,623.72, 24,935.38 and 4,777.78 is: 7,166.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,623.72 : 24,935.38 = 4,777.78 : x
  2. Step 2: Convert to fraction form
    16,623.72/24,935.38 = 4,777.78/x
  3. Step 3: Cross multiply
    16,623.72x = 24,935.38 × 4,777.78
  4. Step 4: Simplify right side
    16,623.72x = 119,135,759.86
  5. Step 5: Solve for x
    x = 119,135,759.86/16,623.72
  6. Step 6: Final answer
    x = 7,166.61

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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.