Home / 12,211.40-18,273.30-10,573.56

Finding the Fourth Proportional to 12,211.40, 18,273.30 and 10,573.56

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Solution

The fourth proportional to 12,211.40, 18,273.30 and 10,573.56 is: 15,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.40 : 18,273.30 = 10,573.56 : x
  2. Step 2: Convert to fraction form
    12,211.40/18,273.30 = 10,573.56/x
  3. Step 3: Cross multiply
    12,211.40x = 18,273.30 × 10,573.56
  4. Step 4: Simplify right side
    12,211.40x = 193,213,833.95
  5. Step 5: Solve for x
    x = 193,213,833.95/12,211.40
  6. Step 6: Final answer
    x = 15,822.41

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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.