Home / 18,525.99-27,793.23-5,379.42

Finding the Fourth Proportional to 18,525.99, 27,793.23 and 5,379.42

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Solution

The fourth proportional to 18,525.99, 27,793.23 and 5,379.42 is: 8,070.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525.99 : 27,793.23 = 5,379.42 : x
  2. Step 2: Convert to fraction form
    18,525.99/27,793.23 = 5,379.42/x
  3. Step 3: Cross multiply
    18,525.99x = 27,793.23 × 5,379.42
  4. Step 4: Simplify right side
    18,525.99x = 149,511,457.33
  5. Step 5: Solve for x
    x = 149,511,457.33/18,525.99
  6. Step 6: Final answer
    x = 8,070.36

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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.