Home / 22,361.23-30,859.07-12,289.93

Finding the Fourth Proportional to 22,361.23, 30,859.07 and 12,289.93

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Solution

The fourth proportional to 22,361.23, 30,859.07 and 12,289.93 is: 16,960.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361.23 : 30,859.07 = 12,289.93 : x
  2. Step 2: Convert to fraction form
    22,361.23/30,859.07 = 12,289.93/x
  3. Step 3: Cross multiply
    22,361.23x = 30,859.07 × 12,289.93
  4. Step 4: Simplify right side
    22,361.23x = 379,255,671.57
  5. Step 5: Solve for x
    x = 379,255,671.57/22,361.23
  6. Step 6: Final answer
    x = 16,960.41

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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.