Home / 25,300.20-37,974.60-12,834.30

Finding the Fourth Proportional to 25,300.20, 37,974.60 and 12,834.30

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Solution

The fourth proportional to 25,300.20, 37,974.60 and 12,834.30 is: 19,263.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,300.20 : 37,974.60 = 12,834.30 : x
  2. Step 2: Convert to fraction form
    25,300.20/37,974.60 = 12,834.30/x
  3. Step 3: Cross multiply
    25,300.20x = 37,974.60 × 12,834.30
  4. Step 4: Simplify right side
    25,300.20x = 487,377,408.78
  5. Step 5: Solve for x
    x = 487,377,408.78/25,300.20
  6. Step 6: Final answer
    x = 19,263.78

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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.