Home / 20,733.17-28,611.75-11,301.73

Finding the Fourth Proportional to 20,733.17, 28,611.75 and 11,301.73

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Solution

The fourth proportional to 20,733.17, 28,611.75 and 11,301.73 is: 15,596.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.17 : 28,611.75 = 11,301.73 : x
  2. Step 2: Convert to fraction form
    20,733.17/28,611.75 = 11,301.73/x
  3. Step 3: Cross multiply
    20,733.17x = 28,611.75 × 11,301.73
  4. Step 4: Simplify right side
    20,733.17x = 323,362,273.33
  5. Step 5: Solve for x
    x = 323,362,273.33/20,733.17
  6. Step 6: Final answer
    x = 15,596.37

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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.