Home / 21,896.56-32,816.22-19,116.16

Finding the Fourth Proportional to 21,896.56, 32,816.22 and 19,116.16

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Solution

The fourth proportional to 21,896.56, 32,816.22 and 19,116.16 is: 28,649.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,896.56 : 32,816.22 = 19,116.16 : x
  2. Step 2: Convert to fraction form
    21,896.56/32,816.22 = 19,116.16/x
  3. Step 3: Cross multiply
    21,896.56x = 32,816.22 × 19,116.16
  4. Step 4: Simplify right side
    21,896.56x = 627,320,112.12
  5. Step 5: Solve for x
    x = 627,320,112.12/21,896.56
  6. Step 6: Final answer
    x = 28,649.25

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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.