Home / 19,846.11-27,383.31-11,457.75

Finding the Fourth Proportional to 19,846.11, 27,383.31 and 11,457.75

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Solution

The fourth proportional to 19,846.11, 27,383.31 and 11,457.75 is: 15,809.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,846.11 : 27,383.31 = 11,457.75 : x
  2. Step 2: Convert to fraction form
    19,846.11/27,383.31 = 11,457.75/x
  3. Step 3: Cross multiply
    19,846.11x = 27,383.31 × 11,457.75
  4. Step 4: Simplify right side
    19,846.11x = 313,751,120.15
  5. Step 5: Solve for x
    x = 313,751,120.15/19,846.11
  6. Step 6: Final answer
    x = 15,809.20

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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.