Home / 19,172.88-26,458.57-10,789.56

Finding the Fourth Proportional to 19,172.88, 26,458.57 and 10,789.56

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Solution

The fourth proportional to 19,172.88, 26,458.57 and 10,789.56 is: 14,889.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,172.88 : 26,458.57 = 10,789.56 : x
  2. Step 2: Convert to fraction form
    19,172.88/26,458.57 = 10,789.56/x
  3. Step 3: Cross multiply
    19,172.88x = 26,458.57 × 10,789.56
  4. Step 4: Simplify right side
    19,172.88x = 285,476,169.26
  5. Step 5: Solve for x
    x = 285,476,169.26/19,172.88
  6. Step 6: Final answer
    x = 14,889.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.