Home / 22,361.15-30,858.33-12,290.22

Finding the Fourth Proportional to 22,361.15, 30,858.33 and 12,290.22

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Solution

The fourth proportional to 22,361.15, 30,858.33 and 12,290.22 is: 16,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361.15 : 30,858.33 = 12,290.22 : x
  2. Step 2: Convert to fraction form
    22,361.15/30,858.33 = 12,290.22/x
  3. Step 3: Cross multiply
    22,361.15x = 30,858.33 × 12,290.22
  4. Step 4: Simplify right side
    22,361.15x = 379,255,664.53
  5. Step 5: Solve for x
    x = 379,255,664.53/22,361.15
  6. Step 6: Final answer
    x = 16,960.47

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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.