Home / 22,721.47-34,085.37-7,928.26

Finding the Fourth Proportional to 22,721.47, 34,085.37 and 7,928.26

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Solution

The fourth proportional to 22,721.47, 34,085.37 and 7,928.26 is: 11,893.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,721.47 : 34,085.37 = 7,928.26 : x
  2. Step 2: Convert to fraction form
    22,721.47/34,085.37 = 7,928.26/x
  3. Step 3: Cross multiply
    22,721.47x = 34,085.37 × 7,928.26
  4. Step 4: Simplify right side
    22,721.47x = 270,237,675.56
  5. Step 5: Solve for x
    x = 270,237,675.56/22,721.47
  6. Step 6: Final answer
    x = 11,893.49

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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.