Home / 21,584.60-29,787.91-12,154.04

Finding the Fourth Proportional to 21,584.60, 29,787.91 and 12,154.04

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Solution

The fourth proportional to 21,584.60, 29,787.91 and 12,154.04 is: 16,773.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.60 : 29,787.91 = 12,154.04 : x
  2. Step 2: Convert to fraction form
    21,584.60/29,787.91 = 12,154.04/x
  3. Step 3: Cross multiply
    21,584.60x = 29,787.91 × 12,154.04
  4. Step 4: Simplify right side
    21,584.60x = 362,043,270.33
  5. Step 5: Solve for x
    x = 362,043,270.33/21,584.60
  6. Step 6: Final answer
    x = 16,773.23

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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.