Home / 14,074.42-19,422.46-7,786.80

Finding the Fourth Proportional to 14,074.42, 19,422.46 and 7,786.80

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Solution

The fourth proportional to 14,074.42, 19,422.46 and 7,786.80 is: 10,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.42 : 19,422.46 = 7,786.80 : x
  2. Step 2: Convert to fraction form
    14,074.42/19,422.46 = 7,786.80/x
  3. Step 3: Cross multiply
    14,074.42x = 19,422.46 × 7,786.80
  4. Step 4: Simplify right side
    14,074.42x = 151,238,811.53
  5. Step 5: Solve for x
    x = 151,238,811.53/14,074.42
  6. Step 6: Final answer
    x = 10,745.65

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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.