Home / 22,193.63-30,627.05-12,122.07

Finding the Fourth Proportional to 22,193.63, 30,627.05 and 12,122.07

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Solution

The fourth proportional to 22,193.63, 30,627.05 and 12,122.07 is: 16,728.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,193.63 : 30,627.05 = 12,122.07 : x
  2. Step 2: Convert to fraction form
    22,193.63/30,627.05 = 12,122.07/x
  3. Step 3: Cross multiply
    22,193.63x = 30,627.05 × 12,122.07
  4. Step 4: Simplify right side
    22,193.63x = 371,263,289.85
  5. Step 5: Solve for x
    x = 371,263,289.85/22,193.63
  6. Step 6: Final answer
    x = 16,728.37

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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.