Home / 22,092.77-30,489.09-12,661.36

Finding the Fourth Proportional to 22,092.77, 30,489.09 and 12,661.36

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Solution

The fourth proportional to 22,092.77, 30,489.09 and 12,661.36 is: 17,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,092.77 : 30,489.09 = 12,661.36 : x
  2. Step 2: Convert to fraction form
    22,092.77/30,489.09 = 12,661.36/x
  3. Step 3: Cross multiply
    22,092.77x = 30,489.09 × 12,661.36
  4. Step 4: Simplify right side
    22,092.77x = 386,033,344.56
  5. Step 5: Solve for x
    x = 386,033,344.56/22,092.77
  6. Step 6: Final answer
    x = 17,473.29

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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.