Home / 13,073.21-18,043.82-8,041.67

Finding the Fourth Proportional to 13,073.21, 18,043.82 and 8,041.67

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Solution

The fourth proportional to 13,073.21, 18,043.82 and 8,041.67 is: 11,099.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.21 : 18,043.82 = 8,041.67 : x
  2. Step 2: Convert to fraction form
    13,073.21/18,043.82 = 8,041.67/x
  3. Step 3: Cross multiply
    13,073.21x = 18,043.82 × 8,041.67
  4. Step 4: Simplify right side
    13,073.21x = 145,102,405.77
  5. Step 5: Solve for x
    x = 145,102,405.77/13,073.21
  6. Step 6: Final answer
    x = 11,099.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.