Home / 19,896.32-27,456.21-10,943.25

Finding the Fourth Proportional to 19,896.32, 27,456.21 and 10,943.25

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Solution

The fourth proportional to 19,896.32, 27,456.21 and 10,943.25 is: 15,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,896.32 : 27,456.21 = 10,943.25 : x
  2. Step 2: Convert to fraction form
    19,896.32/27,456.21 = 10,943.25/x
  3. Step 3: Cross multiply
    19,896.32x = 27,456.21 × 10,943.25
  4. Step 4: Simplify right side
    19,896.32x = 300,460,170.08
  5. Step 5: Solve for x
    x = 300,460,170.08/19,896.32
  6. Step 6: Final answer
    x = 15,101.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.