Home / 22,161.62-30,583.12-12,089.98

Finding the Fourth Proportional to 22,161.62, 30,583.12 and 12,089.98

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Solution

The fourth proportional to 22,161.62, 30,583.12 and 12,089.98 is: 16,684.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.62 : 30,583.12 = 12,089.98 : x
  2. Step 2: Convert to fraction form
    22,161.62/30,583.12 = 12,089.98/x
  3. Step 3: Cross multiply
    22,161.62x = 30,583.12 × 12,089.98
  4. Step 4: Simplify right side
    22,161.62x = 369,749,309.14
  5. Step 5: Solve for x
    x = 369,749,309.14/22,161.62
  6. Step 6: Final answer
    x = 16,684.22

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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.