Home / 13,452.88-18,537.24-13,271.44

Finding the Fourth Proportional to 13,452.88, 18,537.24 and 13,271.44

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Solution

The fourth proportional to 13,452.88, 18,537.24 and 13,271.44 is: 18,287.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.88 : 18,537.24 = 13,271.44 : x
  2. Step 2: Convert to fraction form
    13,452.88/18,537.24 = 13,271.44/x
  3. Step 3: Cross multiply
    13,452.88x = 18,537.24 × 13,271.44
  4. Step 4: Simplify right side
    13,452.88x = 246,015,868.43
  5. Step 5: Solve for x
    x = 246,015,868.43/13,452.88
  6. Step 6: Final answer
    x = 18,287.23

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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.