Home / 22,004.87-30,363.46-12,442.21

Finding the Fourth Proportional to 22,004.87, 30,363.46 and 12,442.21

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Solution

The fourth proportional to 22,004.87, 30,363.46 and 12,442.21 is: 17,168.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,004.87 : 30,363.46 = 12,442.21 : x
  2. Step 2: Convert to fraction form
    22,004.87/30,363.46 = 12,442.21/x
  3. Step 3: Cross multiply
    22,004.87x = 30,363.46 × 12,442.21
  4. Step 4: Simplify right side
    22,004.87x = 377,788,438.63
  5. Step 5: Solve for x
    x = 377,788,438.63/22,004.87
  6. Step 6: Final answer
    x = 17,168.41

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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.