Home / 12,529.99-18,798.68-3,766.24

Finding the Fourth Proportional to 12,529.99, 18,798.68 and 3,766.24

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Solution

The fourth proportional to 12,529.99, 18,798.68 and 3,766.24 is: 5,650.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.99 : 18,798.68 = 3,766.24 : x
  2. Step 2: Convert to fraction form
    12,529.99/18,798.68 = 3,766.24/x
  3. Step 3: Cross multiply
    12,529.99x = 18,798.68 × 3,766.24
  4. Step 4: Simplify right side
    12,529.99x = 70,800,340.56
  5. Step 5: Solve for x
    x = 70,800,340.56/12,529.99
  6. Step 6: Final answer
    x = 5,650.47

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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.