Home / 18,021.76-27,035.24-5,542.84

Finding the Fourth Proportional to 18,021.76, 27,035.24 and 5,542.84

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Solution

The fourth proportional to 18,021.76, 27,035.24 and 5,542.84 is: 8,315.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,021.76 : 27,035.24 = 5,542.84 : x
  2. Step 2: Convert to fraction form
    18,021.76/27,035.24 = 5,542.84/x
  3. Step 3: Cross multiply
    18,021.76x = 27,035.24 × 5,542.84
  4. Step 4: Simplify right side
    18,021.76x = 149,852,009.68
  5. Step 5: Solve for x
    x = 149,852,009.68/18,021.76
  6. Step 6: Final answer
    x = 8,315.06

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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.