Home / 13,176.36-19,725.66-7,992.36

Finding the Fourth Proportional to 13,176.36, 19,725.66 and 7,992.36

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Solution

The fourth proportional to 13,176.36, 19,725.66 and 7,992.36 is: 11,964.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.36 : 19,725.66 = 7,992.36 : x
  2. Step 2: Convert to fraction form
    13,176.36/19,725.66 = 7,992.36/x
  3. Step 3: Cross multiply
    13,176.36x = 19,725.66 × 7,992.36
  4. Step 4: Simplify right side
    13,176.36x = 157,654,575.96
  5. Step 5: Solve for x
    x = 157,654,575.96/13,176.36
  6. Step 6: Final answer
    x = 11,964.96

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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.