Home / 25,879.21-38,814.31-8,349.04

Finding the Fourth Proportional to 25,879.21, 38,814.31 and 8,349.04

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Solution

The fourth proportional to 25,879.21, 38,814.31 and 8,349.04 is: 12,522.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,879.21 : 38,814.31 = 8,349.04 : x
  2. Step 2: Convert to fraction form
    25,879.21/38,814.31 = 8,349.04/x
  3. Step 3: Cross multiply
    25,879.21x = 38,814.31 × 8,349.04
  4. Step 4: Simplify right side
    25,879.21x = 324,062,032.69
  5. Step 5: Solve for x
    x = 324,062,032.69/25,879.21
  6. Step 6: Final answer
    x = 12,522.10

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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.