Home / 19,829.98-29,735.55-11,512.54

Finding the Fourth Proportional to 19,829.98, 29,735.55 and 11,512.54

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Solution

The fourth proportional to 19,829.98, 29,735.55 and 11,512.54 is: 17,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,829.98 : 29,735.55 = 11,512.54 : x
  2. Step 2: Convert to fraction form
    19,829.98/29,735.55 = 11,512.54/x
  3. Step 3: Cross multiply
    19,829.98x = 29,735.55 × 11,512.54
  4. Step 4: Simplify right side
    19,829.98x = 342,331,708.80
  5. Step 5: Solve for x
    x = 342,331,708.80/19,829.98
  6. Step 6: Final answer
    x = 17,263.34

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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.