Home / 22,361.66-30,845.37-13,280.85

Finding the Fourth Proportional to 22,361.66, 30,845.37 and 13,280.85

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Solution

The fourth proportional to 22,361.66, 30,845.37 and 13,280.85 is: 18,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,361.66 : 30,845.37 = 13,280.85 : x
  2. Step 2: Convert to fraction form
    22,361.66/30,845.37 = 13,280.85/x
  3. Step 3: Cross multiply
    22,361.66x = 30,845.37 × 13,280.85
  4. Step 4: Simplify right side
    22,361.66x = 409,652,732.16
  5. Step 5: Solve for x
    x = 409,652,732.16/22,361.66
  6. Step 6: Final answer
    x = 18,319.42

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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.