Home / 13,372.68-20,057.52-3,513.08

Finding the Fourth Proportional to 13,372.68, 20,057.52 and 3,513.08

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Solution

The fourth proportional to 13,372.68, 20,057.52 and 3,513.08 is: 5,269.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.68 : 20,057.52 = 3,513.08 : x
  2. Step 2: Convert to fraction form
    13,372.68/20,057.52 = 3,513.08/x
  3. Step 3: Cross multiply
    13,372.68x = 20,057.52 × 3,513.08
  4. Step 4: Simplify right side
    13,372.68x = 70,463,672.36
  5. Step 5: Solve for x
    x = 70,463,672.36/13,372.68
  6. Step 6: Final answer
    x = 5,269.23

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1.5x scale

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.