Home / 13,388.24-18,476.27-8,082.03

Finding the Fourth Proportional to 13,388.24, 18,476.27 and 8,082.03

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Solution

The fourth proportional to 13,388.24, 18,476.27 and 8,082.03 is: 11,153.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,388.24 : 18,476.27 = 8,082.03 : x
  2. Step 2: Convert to fraction form
    13,388.24/18,476.27 = 8,082.03/x
  3. Step 3: Cross multiply
    13,388.24x = 18,476.27 × 8,082.03
  4. Step 4: Simplify right side
    13,388.24x = 149,325,774.21
  5. Step 5: Solve for x
    x = 149,325,774.21/13,388.24
  6. Step 6: Final answer
    x = 11,153.50

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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.