Home / 21,584.73-29,787.35-13,084.77

Finding the Fourth Proportional to 21,584.73, 29,787.35 and 13,084.77

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Solution

The fourth proportional to 21,584.73, 29,787.35 and 13,084.77 is: 18,057.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.73 : 29,787.35 = 13,084.77 : x
  2. Step 2: Convert to fraction form
    21,584.73/29,787.35 = 13,084.77/x
  3. Step 3: Cross multiply
    21,584.73x = 29,787.35 × 13,084.77
  4. Step 4: Simplify right side
    21,584.73x = 389,760,558.24
  5. Step 5: Solve for x
    x = 389,760,558.24/21,584.73
  6. Step 6: Final answer
    x = 18,057.24

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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.