Home / 18,581.26-27,876.48-9,225.67

Finding the Fourth Proportional to 18,581.26, 27,876.48 and 9,225.67

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Solution

The fourth proportional to 18,581.26, 27,876.48 and 9,225.67 is: 13,840.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,581.26 : 27,876.48 = 9,225.67 : x
  2. Step 2: Convert to fraction form
    18,581.26/27,876.48 = 9,225.67/x
  3. Step 3: Cross multiply
    18,581.26x = 27,876.48 × 9,225.67
  4. Step 4: Simplify right side
    18,581.26x = 257,179,205.24
  5. Step 5: Solve for x
    x = 257,179,205.24/18,581.26
  6. Step 6: Final answer
    x = 13,840.78

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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.