Home / 18,429.01-27,647.66-6,742.13

Finding the Fourth Proportional to 18,429.01, 27,647.66 and 6,742.13

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Solution

The fourth proportional to 18,429.01, 27,647.66 and 6,742.13 is: 10,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.01 : 27,647.66 = 6,742.13 : x
  2. Step 2: Convert to fraction form
    18,429.01/27,647.66 = 6,742.13/x
  3. Step 3: Cross multiply
    18,429.01x = 27,647.66 × 6,742.13
  4. Step 4: Simplify right side
    18,429.01x = 186,403,996.53
  5. Step 5: Solve for x
    x = 186,403,996.53/18,429.01
  6. Step 6: Final answer
    x = 10,114.71

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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.