Home / 22,315.94-30,796.91-13,361.66

Finding the Fourth Proportional to 22,315.94, 30,796.91 and 13,361.66

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Solution

The fourth proportional to 22,315.94, 30,796.91 and 13,361.66 is: 18,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,315.94 : 30,796.91 = 13,361.66 : x
  2. Step 2: Convert to fraction form
    22,315.94/30,796.91 = 13,361.66/x
  3. Step 3: Cross multiply
    22,315.94x = 30,796.91 × 13,361.66
  4. Step 4: Simplify right side
    22,315.94x = 411,497,619.68
  5. Step 5: Solve for x
    x = 411,497,619.68/22,315.94
  6. Step 6: Final answer
    x = 18,439.63

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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.