Home / 19,351.44-29,020.86-11,944.80

Finding the Fourth Proportional to 19,351.44, 29,020.86 and 11,944.80

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Solution

The fourth proportional to 19,351.44, 29,020.86 and 11,944.80 is: 17,913.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.44 : 29,020.86 = 11,944.80 : x
  2. Step 2: Convert to fraction form
    19,351.44/29,020.86 = 11,944.80/x
  3. Step 3: Cross multiply
    19,351.44x = 29,020.86 × 11,944.80
  4. Step 4: Simplify right side
    19,351.44x = 346,648,368.53
  5. Step 5: Solve for x
    x = 346,648,368.53/19,351.44
  6. Step 6: Final answer
    x = 17,913.31

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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.