Home / 25,078.48-37,619.58-8,438.44

Finding the Fourth Proportional to 25,078.48, 37,619.58 and 8,438.44

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Solution

The fourth proportional to 25,078.48, 37,619.58 and 8,438.44 is: 12,658.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.48 : 37,619.58 = 8,438.44 : x
  2. Step 2: Convert to fraction form
    25,078.48/37,619.58 = 8,438.44/x
  3. Step 3: Cross multiply
    25,078.48x = 37,619.58 × 8,438.44
  4. Step 4: Simplify right side
    25,078.48x = 317,450,568.66
  5. Step 5: Solve for x
    x = 317,450,568.66/25,078.48
  6. Step 6: Final answer
    x = 12,658.29

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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.