Home / 22,040.74-30,416.86-11,969.82

Finding the Fourth Proportional to 22,040.74, 30,416.86 and 11,969.82

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Solution

The fourth proportional to 22,040.74, 30,416.86 and 11,969.82 is: 16,518.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,040.74 : 30,416.86 = 11,969.82 : x
  2. Step 2: Convert to fraction form
    22,040.74/30,416.86 = 11,969.82/x
  3. Step 3: Cross multiply
    22,040.74x = 30,416.86 × 11,969.82
  4. Step 4: Simplify right side
    22,040.74x = 364,084,339.17
  5. Step 5: Solve for x
    x = 364,084,339.17/22,040.74
  6. Step 6: Final answer
    x = 16,518.70

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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.