Home / 25,078.87-37,624.07-8,438.46

Finding the Fourth Proportional to 25,078.87, 37,624.07 and 8,438.46

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Solution

The fourth proportional to 25,078.87, 37,624.07 and 8,438.46 is: 12,659.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,078.87 : 37,624.07 = 8,438.46 : x
  2. Step 2: Convert to fraction form
    25,078.87/37,624.07 = 8,438.46/x
  3. Step 3: Cross multiply
    25,078.87x = 37,624.07 × 8,438.46
  4. Step 4: Simplify right side
    25,078.87x = 317,489,198.28
  5. Step 5: Solve for x
    x = 317,489,198.28/25,078.87
  6. Step 6: Final answer
    x = 12,659.63

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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.