Home / 22,941.48-31,661.64-12,872.64

Finding the Fourth Proportional to 22,941.48, 31,661.64 and 12,872.64

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Solution

The fourth proportional to 22,941.48, 31,661.64 and 12,872.64 is: 17,765.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,941.48 : 31,661.64 = 12,872.64 : x
  2. Step 2: Convert to fraction form
    22,941.48/31,661.64 = 12,872.64/x
  3. Step 3: Cross multiply
    22,941.48x = 31,661.64 × 12,872.64
  4. Step 4: Simplify right side
    22,941.48x = 407,568,893.53
  5. Step 5: Solve for x
    x = 407,568,893.53/22,941.48
  6. Step 6: Final answer
    x = 17,765.59

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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.