Home / 16,455.96-22,686.26-13,928.04

Finding the Fourth Proportional to 16,455.96, 22,686.26 and 13,928.04

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Solution

The fourth proportional to 16,455.96, 22,686.26 and 13,928.04 is: 19,201.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,455.96 : 22,686.26 = 13,928.04 : x
  2. Step 2: Convert to fraction form
    16,455.96/22,686.26 = 13,928.04/x
  3. Step 3: Cross multiply
    16,455.96x = 22,686.26 × 13,928.04
  4. Step 4: Simplify right side
    16,455.96x = 315,975,136.73
  5. Step 5: Solve for x
    x = 315,975,136.73/16,455.96
  6. Step 6: Final answer
    x = 19,201.26

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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.