Home / 18,028.29-27,010.08-11,004.69

Finding the Fourth Proportional to 18,028.29, 27,010.08 and 11,004.69

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Solution

The fourth proportional to 18,028.29, 27,010.08 and 11,004.69 is: 16,487.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,028.29 : 27,010.08 = 11,004.69 : x
  2. Step 2: Convert to fraction form
    18,028.29/27,010.08 = 11,004.69/x
  3. Step 3: Cross multiply
    18,028.29x = 27,010.08 × 11,004.69
  4. Step 4: Simplify right side
    18,028.29x = 297,237,557.28
  5. Step 5: Solve for x
    x = 297,237,557.28/18,028.29
  6. Step 6: Final answer
    x = 16,487.29

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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.