Home / 19,185.64-28,713.44-11,794.80

Finding the Fourth Proportional to 19,185.64, 28,713.44 and 11,794.80

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Solution

The fourth proportional to 19,185.64, 28,713.44 and 11,794.80 is: 17,652.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.64 : 28,713.44 = 11,794.80 : x
  2. Step 2: Convert to fraction form
    19,185.64/28,713.44 = 11,794.80/x
  3. Step 3: Cross multiply
    19,185.64x = 28,713.44 × 11,794.80
  4. Step 4: Simplify right side
    19,185.64x = 338,669,282.11
  5. Step 5: Solve for x
    x = 338,669,282.11/19,185.64
  6. Step 6: Final answer
    x = 17,652.23

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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.