Home / 26,186.42-39,316.54-18,786.85

Finding the Fourth Proportional to 26,186.42, 39,316.54 and 18,786.85

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Solution

The fourth proportional to 26,186.42, 39,316.54 and 18,786.85 is: 28,206.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,186.42 : 39,316.54 = 18,786.85 : x
  2. Step 2: Convert to fraction form
    26,186.42/39,316.54 = 18,786.85/x
  3. Step 3: Cross multiply
    26,186.42x = 39,316.54 × 18,786.85
  4. Step 4: Simplify right side
    26,186.42x = 738,633,939.50
  5. Step 5: Solve for x
    x = 738,633,939.50/26,186.42
  6. Step 6: Final answer
    x = 28,206.76

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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.