Home / 15,198.16-20,950.46-11,835.04

Finding the Fourth Proportional to 15,198.16, 20,950.46 and 11,835.04

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Solution

The fourth proportional to 15,198.16, 20,950.46 and 11,835.04 is: 16,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,198.16 : 20,950.46 = 11,835.04 : x
  2. Step 2: Convert to fraction form
    15,198.16/20,950.46 = 11,835.04/x
  3. Step 3: Cross multiply
    15,198.16x = 20,950.46 × 11,835.04
  4. Step 4: Simplify right side
    15,198.16x = 247,949,532.12
  5. Step 5: Solve for x
    x = 247,949,532.12/15,198.16
  6. Step 6: Final answer
    x = 16,314.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.