Home / 17,220.48-25,830.56-7,351.36

Finding the Fourth Proportional to 17,220.48, 25,830.56 and 7,351.36

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Solution

The fourth proportional to 17,220.48, 25,830.56 and 7,351.36 is: 11,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.48 : 25,830.56 = 7,351.36 : x
  2. Step 2: Convert to fraction form
    17,220.48/25,830.56 = 7,351.36/x
  3. Step 3: Cross multiply
    17,220.48x = 25,830.56 × 7,351.36
  4. Step 4: Simplify right side
    17,220.48x = 189,889,745.56
  5. Step 5: Solve for x
    x = 189,889,745.56/17,220.48
  6. Step 6: Final answer
    x = 11,026.97

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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.