Home / 13,792.80-19,034.44-7,825.37

Finding the Fourth Proportional to 13,792.80, 19,034.44 and 7,825.37

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Solution

The fourth proportional to 13,792.80, 19,034.44 and 7,825.37 is: 10,799.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,792.80 : 19,034.44 = 7,825.37 : x
  2. Step 2: Convert to fraction form
    13,792.80/19,034.44 = 7,825.37/x
  3. Step 3: Cross multiply
    13,792.80x = 19,034.44 × 7,825.37
  4. Step 4: Simplify right side
    13,792.80x = 148,951,468.59
  5. Step 5: Solve for x
    x = 148,951,468.59/13,792.80
  6. Step 6: Final answer
    x = 10,799.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.