Home / 19,918.98-29,879.55-10,046.70

Finding the Fourth Proportional to 19,918.98, 29,879.55 and 10,046.70

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Solution

The fourth proportional to 19,918.98, 29,879.55 and 10,046.70 is: 15,070.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,918.98 : 29,879.55 = 10,046.70 : x
  2. Step 2: Convert to fraction form
    19,918.98/29,879.55 = 10,046.70/x
  3. Step 3: Cross multiply
    19,918.98x = 29,879.55 × 10,046.70
  4. Step 4: Simplify right side
    19,918.98x = 300,190,874.99
  5. Step 5: Solve for x
    x = 300,190,874.99/19,918.98
  6. Step 6: Final answer
    x = 15,070.59

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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.