Home / 19,571.02-27,195.36-19,367.80

Finding the Fourth Proportional to 19,571.02, 27,195.36 and 19,367.80

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Solution

The fourth proportional to 19,571.02, 27,195.36 and 19,367.80 is: 26,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,571.02 : 27,195.36 = 19,367.80 : x
  2. Step 2: Convert to fraction form
    19,571.02/27,195.36 = 19,367.80/x
  3. Step 3: Cross multiply
    19,571.02x = 27,195.36 × 19,367.80
  4. Step 4: Simplify right side
    19,571.02x = 526,714,293.41
  5. Step 5: Solve for x
    x = 526,714,293.41/19,571.02
  6. Step 6: Final answer
    x = 26,912.97

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Half scale
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Double scale
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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.