Home / 19,258.38-26,576.37-12,190.59

Finding the Fourth Proportional to 19,258.38, 26,576.37 and 12,190.59

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Solution

The fourth proportional to 19,258.38, 26,576.37 and 12,190.59 is: 16,822.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,258.38 : 26,576.37 = 12,190.59 : x
  2. Step 2: Convert to fraction form
    19,258.38/26,576.37 = 12,190.59/x
  3. Step 3: Cross multiply
    19,258.38x = 26,576.37 × 12,190.59
  4. Step 4: Simplify right side
    19,258.38x = 323,981,630.36
  5. Step 5: Solve for x
    x = 323,981,630.36/19,258.38
  6. Step 6: Final answer
    x = 16,822.89

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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.