Home / 19,436.42-29,193.62-18,798.09

Finding the Fourth Proportional to 19,436.42, 29,193.62 and 18,798.09

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Solution

The fourth proportional to 19,436.42, 29,193.62 and 18,798.09 is: 28,234.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.42 : 29,193.62 = 18,798.09 : x
  2. Step 2: Convert to fraction form
    19,436.42/29,193.62 = 18,798.09/x
  3. Step 3: Cross multiply
    19,436.42x = 29,193.62 × 18,798.09
  4. Step 4: Simplify right side
    19,436.42x = 548,784,202.20
  5. Step 5: Solve for x
    x = 548,784,202.20/19,436.42
  6. Step 6: Final answer
    x = 28,234.85

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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.