Home / 22,161.92-30,583.41-12,090.36

Finding the Fourth Proportional to 22,161.92, 30,583.41 and 12,090.36

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Solution

The fourth proportional to 22,161.92, 30,583.41 and 12,090.36 is: 16,684.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,161.92 : 30,583.41 = 12,090.36 : x
  2. Step 2: Convert to fraction form
    22,161.92/30,583.41 = 12,090.36/x
  3. Step 3: Cross multiply
    22,161.92x = 30,583.41 × 12,090.36
  4. Step 4: Simplify right side
    22,161.92x = 369,764,300.02
  5. Step 5: Solve for x
    x = 369,764,300.02/22,161.92
  6. Step 6: Final answer
    x = 16,684.67

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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.