Home / 12,992.15-19,462.61-6,756.23

Finding the Fourth Proportional to 12,992.15, 19,462.61 and 6,756.23

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Solution

The fourth proportional to 12,992.15, 19,462.61 and 6,756.23 is: 10,121.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992.15 : 19,462.61 = 6,756.23 : x
  2. Step 2: Convert to fraction form
    12,992.15/19,462.61 = 6,756.23/x
  3. Step 3: Cross multiply
    12,992.15x = 19,462.61 × 6,756.23
  4. Step 4: Simplify right side
    12,992.15x = 131,493,935.11
  5. Step 5: Solve for x
    x = 131,493,935.11/12,992.15
  6. Step 6: Final answer
    x = 10,121.03

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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.