Home / 19,298.16-28,930.82-18,379.62

Finding the Fourth Proportional to 19,298.16, 28,930.82 and 18,379.62

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Solution

The fourth proportional to 19,298.16, 28,930.82 and 18,379.62 is: 27,553.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.16 : 28,930.82 = 18,379.62 : x
  2. Step 2: Convert to fraction form
    19,298.16/28,930.82 = 18,379.62/x
  3. Step 3: Cross multiply
    19,298.16x = 28,930.82 × 18,379.62
  4. Step 4: Simplify right side
    19,298.16x = 531,737,385.99
  5. Step 5: Solve for x
    x = 531,737,385.99/19,298.16
  6. Step 6: Final answer
    x = 27,553.79

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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.