Home / 26,948.88-37,189.54-15,620.60

Finding the Fourth Proportional to 26,948.88, 37,189.54 and 15,620.60

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Solution

The fourth proportional to 26,948.88, 37,189.54 and 15,620.60 is: 21,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,948.88 : 37,189.54 = 15,620.60 : x
  2. Step 2: Convert to fraction form
    26,948.88/37,189.54 = 15,620.60/x
  3. Step 3: Cross multiply
    26,948.88x = 37,189.54 × 15,620.60
  4. Step 4: Simplify right side
    26,948.88x = 580,922,928.52
  5. Step 5: Solve for x
    x = 580,922,928.52/26,948.88
  6. Step 6: Final answer
    x = 21,556.48

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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.