Home / 12,926.96-19,391.44-4,162.14

Finding the Fourth Proportional to 12,926.96, 19,391.44 and 4,162.14

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Solution

The fourth proportional to 12,926.96, 19,391.44 and 4,162.14 is: 6,243.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.96 : 19,391.44 = 4,162.14 : x
  2. Step 2: Convert to fraction form
    12,926.96/19,391.44 = 4,162.14/x
  3. Step 3: Cross multiply
    12,926.96x = 19,391.44 × 4,162.14
  4. Step 4: Simplify right side
    12,926.96x = 80,709,888.08
  5. Step 5: Solve for x
    x = 80,709,888.08/12,926.96
  6. Step 6: Final answer
    x = 6,243.53

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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.