Home / 25,500.87-38,195.82-12,325.50

Finding the Fourth Proportional to 25,500.87, 38,195.82 and 12,325.50

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Solution

The fourth proportional to 25,500.87, 38,195.82 and 12,325.50 is: 18,461.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,500.87 : 38,195.82 = 12,325.50 : x
  2. Step 2: Convert to fraction form
    25,500.87/38,195.82 = 12,325.50/x
  3. Step 3: Cross multiply
    25,500.87x = 38,195.82 × 12,325.50
  4. Step 4: Simplify right side
    25,500.87x = 470,782,579.41
  5. Step 5: Solve for x
    x = 470,782,579.41/25,500.87
  6. Step 6: Final answer
    x = 18,461.43

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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.