Home / 19,928.88-29,883.78-11,611.26

Finding the Fourth Proportional to 19,928.88, 29,883.78 and 11,611.26

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Solution

The fourth proportional to 19,928.88, 29,883.78 and 11,611.26 is: 17,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.88 : 29,883.78 = 11,611.26 : x
  2. Step 2: Convert to fraction form
    19,928.88/29,883.78 = 11,611.26/x
  3. Step 3: Cross multiply
    19,928.88x = 29,883.78 × 11,611.26
  4. Step 4: Simplify right side
    19,928.88x = 346,988,339.36
  5. Step 5: Solve for x
    x = 346,988,339.36/19,928.88
  6. Step 6: Final answer
    x = 17,411.33

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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.