Home / 18,220.02-27,330.03-5,072.37

Finding the Fourth Proportional to 18,220.02, 27,330.03 and 5,072.37

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Solution

The fourth proportional to 18,220.02, 27,330.03 and 5,072.37 is: 7,608.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,220.02 : 27,330.03 = 5,072.37 : x
  2. Step 2: Convert to fraction form
    18,220.02/27,330.03 = 5,072.37/x
  3. Step 3: Cross multiply
    18,220.02x = 27,330.03 × 5,072.37
  4. Step 4: Simplify right side
    18,220.02x = 138,628,024.27
  5. Step 5: Solve for x
    x = 138,628,024.27/18,220.02
  6. Step 6: Final answer
    x = 7,608.56

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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.