Home / 26,825.86-37,015.36-15,493.56

Finding the Fourth Proportional to 26,825.86, 37,015.36 and 15,493.56

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Solution

The fourth proportional to 26,825.86, 37,015.36 and 15,493.56 is: 21,378.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,825.86 : 37,015.36 = 15,493.56 : x
  2. Step 2: Convert to fraction form
    26,825.86/37,015.36 = 15,493.56/x
  3. Step 3: Cross multiply
    26,825.86x = 37,015.36 × 15,493.56
  4. Step 4: Simplify right side
    26,825.86x = 573,499,610.69
  5. Step 5: Solve for x
    x = 573,499,610.69/26,825.86
  6. Step 6: Final answer
    x = 21,378.61

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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.