Home / 15,378.23-23,067.33-11,873.33

Finding the Fourth Proportional to 15,378.23, 23,067.33 and 11,873.33

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Solution

The fourth proportional to 15,378.23, 23,067.33 and 11,873.33 is: 17,809.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.23 : 23,067.33 = 11,873.33 : x
  2. Step 2: Convert to fraction form
    15,378.23/23,067.33 = 11,873.33/x
  3. Step 3: Cross multiply
    15,378.23x = 23,067.33 × 11,873.33
  4. Step 4: Simplify right side
    15,378.23x = 273,886,144.49
  5. Step 5: Solve for x
    x = 273,886,144.49/15,378.23
  6. Step 6: Final answer
    x = 17,809.99

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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.