Home / 27,829.31-41,739.44-9,109.06

Finding the Fourth Proportional to 27,829.31, 41,739.44 and 9,109.06

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Solution

The fourth proportional to 27,829.31, 41,739.44 and 9,109.06 is: 13,662.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,829.31 : 41,739.44 = 9,109.06 : x
  2. Step 2: Convert to fraction form
    27,829.31/41,739.44 = 9,109.06/x
  3. Step 3: Cross multiply
    27,829.31x = 41,739.44 × 9,109.06
  4. Step 4: Simplify right side
    27,829.31x = 380,206,913.43
  5. Step 5: Solve for x
    x = 380,206,913.43/27,829.31
  6. Step 6: Final answer
    x = 13,662.11

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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.