Home / 12,699.23-19,049.53-5,296.24

Finding the Fourth Proportional to 12,699.23, 19,049.53 and 5,296.24

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Solution

The fourth proportional to 12,699.23, 19,049.53 and 5,296.24 is: 7,944.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.23 : 19,049.53 = 5,296.24 : x
  2. Step 2: Convert to fraction form
    12,699.23/19,049.53 = 5,296.24/x
  3. Step 3: Cross multiply
    12,699.23x = 19,049.53 × 5,296.24
  4. Step 4: Simplify right side
    12,699.23x = 100,890,796.12
  5. Step 5: Solve for x
    x = 100,890,796.12/12,699.23
  6. Step 6: Final answer
    x = 7,944.64

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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.