Home / 12,698.15-19,047.77-3,933.23

Finding the Fourth Proportional to 12,698.15, 19,047.77 and 3,933.23

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Solution

The fourth proportional to 12,698.15, 19,047.77 and 3,933.23 is: 5,900.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.15 : 19,047.77 = 3,933.23 : x
  2. Step 2: Convert to fraction form
    12,698.15/19,047.77 = 3,933.23/x
  3. Step 3: Cross multiply
    12,698.15x = 19,047.77 × 3,933.23
  4. Step 4: Simplify right side
    12,698.15x = 74,919,240.73
  5. Step 5: Solve for x
    x = 74,919,240.73/12,698.15
  6. Step 6: Final answer
    x = 5,900.01

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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.