Home / 19,016.49-28,512.58-9,136.11

Finding the Fourth Proportional to 19,016.49, 28,512.58 and 9,136.11

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Solution

The fourth proportional to 19,016.49, 28,512.58 and 9,136.11 is: 13,698.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.49 : 28,512.58 = 9,136.11 : x
  2. Step 2: Convert to fraction form
    19,016.49/28,512.58 = 9,136.11/x
  3. Step 3: Cross multiply
    19,016.49x = 28,512.58 × 9,136.11
  4. Step 4: Simplify right side
    19,016.49x = 260,494,067.26
  5. Step 5: Solve for x
    x = 260,494,067.26/19,016.49
  6. Step 6: Final answer
    x = 13,698.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.