Home / 22,175.77-30,602.82-13,228.36

Finding the Fourth Proportional to 22,175.77, 30,602.82 and 13,228.36

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Solution

The fourth proportional to 22,175.77, 30,602.82 and 13,228.36 is: 18,255.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,175.77 : 30,602.82 = 13,228.36 : x
  2. Step 2: Convert to fraction form
    22,175.77/30,602.82 = 13,228.36/x
  3. Step 3: Cross multiply
    22,175.77x = 30,602.82 × 13,228.36
  4. Step 4: Simplify right side
    22,175.77x = 404,825,119.98
  5. Step 5: Solve for x
    x = 404,825,119.98/22,175.77
  6. Step 6: Final answer
    x = 18,255.29

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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.