Home / 19,016.74-28,512.96-9,136.36

Finding the Fourth Proportional to 19,016.74, 28,512.96 and 9,136.36

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Solution

The fourth proportional to 19,016.74, 28,512.96 and 9,136.36 is: 13,698.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,016.74 : 28,512.96 = 9,136.36 : x
  2. Step 2: Convert to fraction form
    19,016.74/28,512.96 = 9,136.36/x
  3. Step 3: Cross multiply
    19,016.74x = 28,512.96 × 9,136.36
  4. Step 4: Simplify right side
    19,016.74x = 260,504,667.23
  5. Step 5: Solve for x
    x = 260,504,667.23/19,016.74
  6. Step 6: Final answer
    x = 13,698.70

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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.