Home / 19,173-26,458.74-10,789.68

Finding the Fourth Proportional to 19,173, 26,458.74 and 10,789.68

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Solution

The fourth proportional to 19,173, 26,458.74 and 10,789.68 is: 14,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173 : 26,458.74 = 10,789.68 : x
  2. Step 2: Convert to fraction form
    19,173/26,458.74 = 10,789.68/x
  3. Step 3: Cross multiply
    19,173x = 26,458.74 × 10,789.68
  4. Step 4: Simplify right side
    19,173x = 285,481,337.80
  5. Step 5: Solve for x
    x = 285,481,337.80/19,173
  6. Step 6: Final answer
    x = 14,889.76

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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.