Home / 19,393.87-29,033.40-11,974.47

Finding the Fourth Proportional to 19,393.87, 29,033.40 and 11,974.47

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Solution

The fourth proportional to 19,393.87, 29,033.40 and 11,974.47 is: 17,926.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,393.87 : 29,033.40 = 11,974.47 : x
  2. Step 2: Convert to fraction form
    19,393.87/29,033.40 = 11,974.47/x
  3. Step 3: Cross multiply
    19,393.87x = 29,033.40 × 11,974.47
  4. Step 4: Simplify right side
    19,393.87x = 347,659,590.01
  5. Step 5: Solve for x
    x = 347,659,590.01/19,393.87
  6. Step 6: Final answer
    x = 17,926.26

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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.