Home / 18,018.96-27,028.44-5,706

Finding the Fourth Proportional to 18,018.96, 27,028.44 and 5,706

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Solution

The fourth proportional to 18,018.96, 27,028.44 and 5,706 is: 8,559

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,018.96 : 27,028.44 = 5,706 : x
  2. Step 2: Convert to fraction form
    18,018.96/27,028.44 = 5,706/x
  3. Step 3: Cross multiply
    18,018.96x = 27,028.44 × 5,706
  4. Step 4: Simplify right side
    18,018.96x = 154,224,278.64
  5. Step 5: Solve for x
    x = 154,224,278.64/18,018.96
  6. Step 6: Final answer
    x = 8,559

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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.