Home / 22,161.33-30,583.21-12,089.94

Finding the Fourth Proportional to 22,161.33, 30,583.21 and 12,089.94

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Solution

The fourth proportional to 22,161.33, 30,583.21 and 12,089.94 is: 16,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.33 : 30,583.21 = 12,089.94 : x
  2. Step 2: Convert to fraction form
    22,161.33/30,583.21 = 12,089.94/x
  3. Step 3: Cross multiply
    22,161.33x = 30,583.21 × 12,089.94
  4. Step 4: Simplify right side
    22,161.33x = 369,749,173.91
  5. Step 5: Solve for x
    x = 369,749,173.91/22,161.33
  6. Step 6: Final answer
    x = 16,684.43

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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.