Home / 22,012.86-30,388.26-13,950.54

Finding the Fourth Proportional to 22,012.86, 30,388.26 and 13,950.54

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Solution

The fourth proportional to 22,012.86, 30,388.26 and 13,950.54 is: 19,258.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.86 : 30,388.26 = 13,950.54 : x
  2. Step 2: Convert to fraction form
    22,012.86/30,388.26 = 13,950.54/x
  3. Step 3: Cross multiply
    22,012.86x = 30,388.26 × 13,950.54
  4. Step 4: Simplify right side
    22,012.86x = 423,932,636.66
  5. Step 5: Solve for x
    x = 423,932,636.66/22,012.86
  6. Step 6: Final answer
    x = 19,258.41

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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.