Home / 22,202.51-33,141.80-19,399.97

Finding the Fourth Proportional to 22,202.51, 33,141.80 and 19,399.97

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Solution

The fourth proportional to 22,202.51, 33,141.80 and 19,399.97 is: 28,958.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,202.51 : 33,141.80 = 19,399.97 : x
  2. Step 2: Convert to fraction form
    22,202.51/33,141.80 = 19,399.97/x
  3. Step 3: Cross multiply
    22,202.51x = 33,141.80 × 19,399.97
  4. Step 4: Simplify right side
    22,202.51x = 642,949,663.04
  5. Step 5: Solve for x
    x = 642,949,663.04/22,202.51
  6. Step 6: Final answer
    x = 28,958.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.