Home / 38,239.36-57,367.14-11,946.09

Finding the Fourth Proportional to 38,239.36, 57,367.14 and 11,946.09

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Solution

The fourth proportional to 38,239.36, 57,367.14 and 11,946.09 is: 17,921.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,239.36 : 57,367.14 = 11,946.09 : x
  2. Step 2: Convert to fraction form
    38,239.36/57,367.14 = 11,946.09/x
  3. Step 3: Cross multiply
    38,239.36x = 57,367.14 × 11,946.09
  4. Step 4: Simplify right side
    38,239.36x = 685,313,017.48
  5. Step 5: Solve for x
    x = 685,313,017.48/38,239.36
  6. Step 6: Final answer
    x = 17,921.67

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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.