Home / 17,123.36-25,684.66-7,889.36

Finding the Fourth Proportional to 17,123.36, 25,684.66 and 7,889.36

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Solution

The fourth proportional to 17,123.36, 25,684.66 and 7,889.36 is: 11,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,123.36 : 25,684.66 = 7,889.36 : x
  2. Step 2: Convert to fraction form
    17,123.36/25,684.66 = 7,889.36/x
  3. Step 3: Cross multiply
    17,123.36x = 25,684.66 × 7,889.36
  4. Step 4: Simplify right side
    17,123.36x = 202,635,529.22
  5. Step 5: Solve for x
    x = 202,635,529.22/17,123.36
  6. Step 6: Final answer
    x = 11,833.86

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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.