Home / 13,341.24-18,410.94-7,372.80

Finding the Fourth Proportional to 13,341.24, 18,410.94 and 7,372.80

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Solution

The fourth proportional to 13,341.24, 18,410.94 and 7,372.80 is: 10,174.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,341.24 : 18,410.94 = 7,372.80 : x
  2. Step 2: Convert to fraction form
    13,341.24/18,410.94 = 7,372.80/x
  3. Step 3: Cross multiply
    13,341.24x = 18,410.94 × 7,372.80
  4. Step 4: Simplify right side
    13,341.24x = 135,740,178.43
  5. Step 5: Solve for x
    x = 135,740,178.43/13,341.24
  6. Step 6: Final answer
    x = 10,174.48

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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.