Home / 33,121.92-45,707.64-18,014.32

Finding the Fourth Proportional to 33,121.92, 45,707.64 and 18,014.32

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Solution

The fourth proportional to 33,121.92, 45,707.64 and 18,014.32 is: 24,859.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,121.92 : 45,707.64 = 18,014.32 : x
  2. Step 2: Convert to fraction form
    33,121.92/45,707.64 = 18,014.32/x
  3. Step 3: Cross multiply
    33,121.92x = 45,707.64 × 18,014.32
  4. Step 4: Simplify right side
    33,121.92x = 823,392,053.40
  5. Step 5: Solve for x
    x = 823,392,053.40/33,121.92
  6. Step 6: Final answer
    x = 24,859.43

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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.