Home / 19,321.21-26,669.73-11,772.46

Finding the Fourth Proportional to 19,321.21, 26,669.73 and 11,772.46

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Solution

The fourth proportional to 19,321.21, 26,669.73 and 11,772.46 is: 16,249.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,321.21 : 26,669.73 = 11,772.46 : x
  2. Step 2: Convert to fraction form
    19,321.21/26,669.73 = 11,772.46/x
  3. Step 3: Cross multiply
    19,321.21x = 26,669.73 × 11,772.46
  4. Step 4: Simplify right side
    19,321.21x = 313,968,329.64
  5. Step 5: Solve for x
    x = 313,968,329.64/19,321.21
  6. Step 6: Final answer
    x = 16,249.93

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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.