Home / 13,372.35-18,453.84-7,322.97

Finding the Fourth Proportional to 13,372.35, 18,453.84 and 7,322.97

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Solution

The fourth proportional to 13,372.35, 18,453.84 and 7,322.97 is: 10,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.35 : 18,453.84 = 7,322.97 : x
  2. Step 2: Convert to fraction form
    13,372.35/18,453.84 = 7,322.97/x
  3. Step 3: Cross multiply
    13,372.35x = 18,453.84 × 7,322.97
  4. Step 4: Simplify right side
    13,372.35x = 135,136,916.70
  5. Step 5: Solve for x
    x = 135,136,916.70/13,372.35
  6. Step 6: Final answer
    x = 10,105.70

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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.