Home / 22,040.07-30,414.45-11,968.29

Finding the Fourth Proportional to 22,040.07, 30,414.45 and 11,968.29

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Solution

The fourth proportional to 22,040.07, 30,414.45 and 11,968.29 is: 16,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.07 : 30,414.45 = 11,968.29 : x
  2. Step 2: Convert to fraction form
    22,040.07/30,414.45 = 11,968.29/x
  3. Step 3: Cross multiply
    22,040.07x = 30,414.45 × 11,968.29
  4. Step 4: Simplify right side
    22,040.07x = 364,009,002.67
  5. Step 5: Solve for x
    x = 364,009,002.67/22,040.07
  6. Step 6: Final answer
    x = 16,515.79

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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.