Home / 13,372.17-18,453.89-7,322.67

Finding the Fourth Proportional to 13,372.17, 18,453.89 and 7,322.67

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Solution

The fourth proportional to 13,372.17, 18,453.89 and 7,322.67 is: 10,105.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.17 : 18,453.89 = 7,322.67 : x
  2. Step 2: Convert to fraction form
    13,372.17/18,453.89 = 7,322.67/x
  3. Step 3: Cross multiply
    13,372.17x = 18,453.89 × 7,322.67
  4. Step 4: Simplify right side
    13,372.17x = 135,131,723.80
  5. Step 5: Solve for x
    x = 135,131,723.80/13,372.17
  6. Step 6: Final answer
    x = 10,105.44

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1.5x scale

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.