Home / 14,132.55-21,198.09-5,249.58

Finding the Fourth Proportional to 14,132.55, 21,198.09 and 5,249.58

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Solution

The fourth proportional to 14,132.55, 21,198.09 and 5,249.58 is: 7,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.55 : 21,198.09 = 5,249.58 : x
  2. Step 2: Convert to fraction form
    14,132.55/21,198.09 = 5,249.58/x
  3. Step 3: Cross multiply
    14,132.55x = 21,198.09 × 5,249.58
  4. Step 4: Simplify right side
    14,132.55x = 111,281,069.30
  5. Step 5: Solve for x
    x = 111,281,069.30/14,132.55
  6. Step 6: Final answer
    x = 7,874.10

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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.