Home / 18,577.46-27,871.35-7,481.55

Finding the Fourth Proportional to 18,577.46, 27,871.35 and 7,481.55

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Solution

The fourth proportional to 18,577.46, 27,871.35 and 7,481.55 is: 11,224.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,577.46 : 27,871.35 = 7,481.55 : x
  2. Step 2: Convert to fraction form
    18,577.46/27,871.35 = 7,481.55/x
  3. Step 3: Cross multiply
    18,577.46x = 27,871.35 × 7,481.55
  4. Step 4: Simplify right side
    18,577.46x = 208,520,860.36
  5. Step 5: Solve for x
    x = 208,520,860.36/18,577.46
  6. Step 6: Final answer
    x = 11,224.40

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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.