Home / 14,195.44-21,296.72-5,431.04

Finding the Fourth Proportional to 14,195.44, 21,296.72 and 5,431.04

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Solution

The fourth proportional to 14,195.44, 21,296.72 and 5,431.04 is: 8,147.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,195.44 : 21,296.72 = 5,431.04 : x
  2. Step 2: Convert to fraction form
    14,195.44/21,296.72 = 5,431.04/x
  3. Step 3: Cross multiply
    14,195.44x = 21,296.72 × 5,431.04
  4. Step 4: Simplify right side
    14,195.44x = 115,663,338.19
  5. Step 5: Solve for x
    x = 115,663,338.19/14,195.44
  6. Step 6: Final answer
    x = 8,147.92

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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.