Home / 20,574.83-30,903.26-19,414.31

Finding the Fourth Proportional to 20,574.83, 30,903.26 and 19,414.31

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Solution

The fourth proportional to 20,574.83, 30,903.26 and 19,414.31 is: 29,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,574.83 : 30,903.26 = 19,414.31 : x
  2. Step 2: Convert to fraction form
    20,574.83/30,903.26 = 19,414.31/x
  3. Step 3: Cross multiply
    20,574.83x = 30,903.26 × 19,414.31
  4. Step 4: Simplify right side
    20,574.83x = 599,965,218.06
  5. Step 5: Solve for x
    x = 599,965,218.06/20,574.83
  6. Step 6: Final answer
    x = 29,160.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.