Home / 19,193.61-26,493.81-11,238.39

Finding the Fourth Proportional to 19,193.61, 26,493.81 and 11,238.39

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Solution

The fourth proportional to 19,193.61, 26,493.81 and 11,238.39 is: 15,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,193.61 : 26,493.81 = 11,238.39 : x
  2. Step 2: Convert to fraction form
    19,193.61/26,493.81 = 11,238.39/x
  3. Step 3: Cross multiply
    19,193.61x = 26,493.81 × 11,238.39
  4. Step 4: Simplify right side
    19,193.61x = 297,747,769.37
  5. Step 5: Solve for x
    x = 297,747,769.37/19,193.61
  6. Step 6: Final answer
    x = 15,512.86

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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.