Home / 13,584.42-18,833.31-13,103.28

Finding the Fourth Proportional to 13,584.42, 18,833.31 and 13,103.28

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Solution

The fourth proportional to 13,584.42, 18,833.31 and 13,103.28 is: 18,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,584.42 : 18,833.31 = 13,103.28 : x
  2. Step 2: Convert to fraction form
    13,584.42/18,833.31 = 13,103.28/x
  3. Step 3: Cross multiply
    13,584.42x = 18,833.31 × 13,103.28
  4. Step 4: Simplify right side
    13,584.42x = 246,778,134.26
  5. Step 5: Solve for x
    x = 246,778,134.26/13,584.42
  6. Step 6: Final answer
    x = 18,166.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.