Home / 33,112.99-45,695.83-18,577.20

Finding the Fourth Proportional to 33,112.99, 45,695.83 and 18,577.20

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Solution

The fourth proportional to 33,112.99, 45,695.83 and 18,577.20 is: 25,636.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,112.99 : 45,695.83 = 18,577.20 : x
  2. Step 2: Convert to fraction form
    33,112.99/45,695.83 = 18,577.20/x
  3. Step 3: Cross multiply
    33,112.99x = 45,695.83 × 18,577.20
  4. Step 4: Simplify right side
    33,112.99x = 848,900,480.19
  5. Step 5: Solve for x
    x = 848,900,480.19/33,112.99
  6. Step 6: Final answer
    x = 25,636.48

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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.