Home / 16,947.26-25,429.95-12,758.48

Finding the Fourth Proportional to 16,947.26, 25,429.95 and 12,758.48

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Solution

The fourth proportional to 16,947.26, 25,429.95 and 12,758.48 is: 19,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.26 : 25,429.95 = 12,758.48 : x
  2. Step 2: Convert to fraction form
    16,947.26/25,429.95 = 12,758.48/x
  3. Step 3: Cross multiply
    16,947.26x = 25,429.95 × 12,758.48
  4. Step 4: Simplify right side
    16,947.26x = 324,447,476.69
  5. Step 5: Solve for x
    x = 324,447,476.69/16,947.26
  6. Step 6: Final answer
    x = 19,144.54

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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.