Home / 22,811.87-31,435.53-17,440.38

Finding the Fourth Proportional to 22,811.87, 31,435.53 and 17,440.38

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Solution

The fourth proportional to 22,811.87, 31,435.53 and 17,440.38 is: 24,033.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,811.87 : 31,435.53 = 17,440.38 : x
  2. Step 2: Convert to fraction form
    22,811.87/31,435.53 = 17,440.38/x
  3. Step 3: Cross multiply
    22,811.87x = 31,435.53 × 17,440.38
  4. Step 4: Simplify right side
    22,811.87x = 548,247,523.30
  5. Step 5: Solve for x
    x = 548,247,523.30/22,811.87
  6. Step 6: Final answer
    x = 24,033.43

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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.