Home / 20,641.05-30,961.58-19,589.27

Finding the Fourth Proportional to 20,641.05, 30,961.58 and 19,589.27

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Solution

The fourth proportional to 20,641.05, 30,961.58 and 19,589.27 is: 29,383.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,641.05 : 30,961.58 = 19,589.27 : x
  2. Step 2: Convert to fraction form
    20,641.05/30,961.58 = 19,589.27/x
  3. Step 3: Cross multiply
    20,641.05x = 30,961.58 × 19,589.27
  4. Step 4: Simplify right side
    20,641.05x = 606,514,497.49
  5. Step 5: Solve for x
    x = 606,514,497.49/20,641.05
  6. Step 6: Final answer
    x = 29,383.90

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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.