Home / 12,148.36-16,655.38-11,926.92

Finding the Fourth Proportional to 12,148.36, 16,655.38 and 11,926.92

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Solution

The fourth proportional to 12,148.36, 16,655.38 and 11,926.92 is: 16,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.36 : 16,655.38 = 11,926.92 : x
  2. Step 2: Convert to fraction form
    12,148.36/16,655.38 = 11,926.92/x
  3. Step 3: Cross multiply
    12,148.36x = 16,655.38 × 11,926.92
  4. Step 4: Simplify right side
    12,148.36x = 198,647,384.83
  5. Step 5: Solve for x
    x = 198,647,384.83/12,148.36
  6. Step 6: Final answer
    x = 16,351.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.