Home / 33,142.51-45,736.68-18,995.37

Finding the Fourth Proportional to 33,142.51, 45,736.68 and 18,995.37

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Solution

The fourth proportional to 33,142.51, 45,736.68 and 18,995.37 is: 26,213.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,142.51 : 45,736.68 = 18,995.37 : x
  2. Step 2: Convert to fraction form
    33,142.51/45,736.68 = 18,995.37/x
  3. Step 3: Cross multiply
    33,142.51x = 45,736.68 × 18,995.37
  4. Step 4: Simplify right side
    33,142.51x = 868,785,159.17
  5. Step 5: Solve for x
    x = 868,785,159.17/33,142.51
  6. Step 6: Final answer
    x = 26,213.62

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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.