Home / 18,529.23-27,790.11-6,839.67

Finding the Fourth Proportional to 18,529.23, 27,790.11 and 6,839.67

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Solution

The fourth proportional to 18,529.23, 27,790.11 and 6,839.67 is: 10,258.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.23 : 27,790.11 = 6,839.67 : x
  2. Step 2: Convert to fraction form
    18,529.23/27,790.11 = 6,839.67/x
  3. Step 3: Cross multiply
    18,529.23x = 27,790.11 × 6,839.67
  4. Step 4: Simplify right side
    18,529.23x = 190,075,181.66
  5. Step 5: Solve for x
    x = 190,075,181.66/18,529.23
  6. Step 6: Final answer
    x = 10,258.13

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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.