Home / 18,282.96-27,367.20-12,627.36

Finding the Fourth Proportional to 18,282.96, 27,367.20 and 12,627.36

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Solution

The fourth proportional to 18,282.96, 27,367.20 and 12,627.36 is: 18,901.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.96 : 27,367.20 = 12,627.36 : x
  2. Step 2: Convert to fraction form
    18,282.96/27,367.20 = 12,627.36/x
  3. Step 3: Cross multiply
    18,282.96x = 27,367.20 × 12,627.36
  4. Step 4: Simplify right side
    18,282.96x = 345,575,486.59
  5. Step 5: Solve for x
    x = 345,575,486.59/18,282.96
  6. Step 6: Final answer
    x = 18,901.51

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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.