Home / 14,132.08-21,198.12-7,538.29

Finding the Fourth Proportional to 14,132.08, 21,198.12 and 7,538.29

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Solution

The fourth proportional to 14,132.08, 21,198.12 and 7,538.29 is: 11,307.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,132.08 : 21,198.12 = 7,538.29 : x
  2. Step 2: Convert to fraction form
    14,132.08/21,198.12 = 7,538.29/x
  3. Step 3: Cross multiply
    14,132.08x = 21,198.12 × 7,538.29
  4. Step 4: Simplify right side
    14,132.08x = 159,797,576.01
  5. Step 5: Solve for x
    x = 159,797,576.01/14,132.08
  6. Step 6: Final answer
    x = 11,307.44

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Similar ratio
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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.