Home / 20,199.01-30,251.49-19,498.36

Finding the Fourth Proportional to 20,199.01, 30,251.49 and 19,498.36

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Solution

The fourth proportional to 20,199.01, 30,251.49 and 19,498.36 is: 29,202.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.01 : 30,251.49 = 19,498.36 : x
  2. Step 2: Convert to fraction form
    20,199.01/30,251.49 = 19,498.36/x
  3. Step 3: Cross multiply
    20,199.01x = 30,251.49 × 19,498.36
  4. Step 4: Simplify right side
    20,199.01x = 589,854,442.56
  5. Step 5: Solve for x
    x = 589,854,442.56/20,199.01
  6. Step 6: Final answer
    x = 29,202.15

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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.