Home / 13,577.63-18,735.60-7,608.43

Finding the Fourth Proportional to 13,577.63, 18,735.60 and 7,608.43

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Solution

The fourth proportional to 13,577.63, 18,735.60 and 7,608.43 is: 10,498.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.63 : 18,735.60 = 7,608.43 : x
  2. Step 2: Convert to fraction form
    13,577.63/18,735.60 = 7,608.43/x
  3. Step 3: Cross multiply
    13,577.63x = 18,735.60 × 7,608.43
  4. Step 4: Simplify right side
    13,577.63x = 142,548,553.06
  5. Step 5: Solve for x
    x = 142,548,553.06/13,577.63
  6. Step 6: Final answer
    x = 10,498.78

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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.