Home / 19,124.88-26,401.94-11,958.78

Finding the Fourth Proportional to 19,124.88, 26,401.94 and 11,958.78

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Solution

The fourth proportional to 19,124.88, 26,401.94 and 11,958.78 is: 16,509.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,124.88 : 26,401.94 = 11,958.78 : x
  2. Step 2: Convert to fraction form
    19,124.88/26,401.94 = 11,958.78/x
  3. Step 3: Cross multiply
    19,124.88x = 26,401.94 × 11,958.78
  4. Step 4: Simplify right side
    19,124.88x = 315,734,992.03
  5. Step 5: Solve for x
    x = 315,734,992.03/19,124.88
  6. Step 6: Final answer
    x = 16,509.12

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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.