Home / 12,896.49-19,350.20-7,046.27

Finding the Fourth Proportional to 12,896.49, 19,350.20 and 7,046.27

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Solution

The fourth proportional to 12,896.49, 19,350.20 and 7,046.27 is: 10,572.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,896.49 : 19,350.20 = 7,046.27 : x
  2. Step 2: Convert to fraction form
    12,896.49/19,350.20 = 7,046.27/x
  3. Step 3: Cross multiply
    12,896.49x = 19,350.20 × 7,046.27
  4. Step 4: Simplify right side
    12,896.49x = 136,346,733.75
  5. Step 5: Solve for x
    x = 136,346,733.75/12,896.49
  6. Step 6: Final answer
    x = 10,572.39

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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.