Home / 19,995.10-27,596.78-11,496.56

Finding the Fourth Proportional to 19,995.10, 27,596.78 and 11,496.56

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Solution

The fourth proportional to 19,995.10, 27,596.78 and 11,496.56 is: 15,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,995.10 : 27,596.78 = 11,496.56 : x
  2. Step 2: Convert to fraction form
    19,995.10/27,596.78 = 11,496.56/x
  3. Step 3: Cross multiply
    19,995.10x = 27,596.78 × 11,496.56
  4. Step 4: Simplify right side
    19,995.10x = 317,268,027.01
  5. Step 5: Solve for x
    x = 317,268,027.01/19,995.10
  6. Step 6: Final answer
    x = 15,867.29

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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.