Home / 20,225.44-27,912.06-11,273

Finding the Fourth Proportional to 20,225.44, 27,912.06 and 11,273

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Solution

The fourth proportional to 20,225.44, 27,912.06 and 11,273 is: 15,557.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.44 : 27,912.06 = 11,273 : x
  2. Step 2: Convert to fraction form
    20,225.44/27,912.06 = 11,273/x
  3. Step 3: Cross multiply
    20,225.44x = 27,912.06 × 11,273
  4. Step 4: Simplify right side
    20,225.44x = 314,652,596.02
  5. Step 5: Solve for x
    x = 314,652,596.02/20,225.44
  6. Step 6: Final answer
    x = 15,557.27

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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.