Home / 16,873.55-25,310.55-5,186.77

Finding the Fourth Proportional to 16,873.55, 25,310.55 and 5,186.77

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Solution

The fourth proportional to 16,873.55, 25,310.55 and 5,186.77 is: 7,780.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,873.55 : 25,310.55 = 5,186.77 : x
  2. Step 2: Convert to fraction form
    16,873.55/25,310.55 = 5,186.77/x
  3. Step 3: Cross multiply
    16,873.55x = 25,310.55 × 5,186.77
  4. Step 4: Simplify right side
    16,873.55x = 131,279,938.15
  5. Step 5: Solve for x
    x = 131,279,938.15/16,873.55
  6. Step 6: Final answer
    x = 7,780.22

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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.