Home / 31,902.69-47,873.40-11,926.73

Finding the Fourth Proportional to 31,902.69, 47,873.40 and 11,926.73

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Solution

The fourth proportional to 31,902.69, 47,873.40 and 11,926.73 is: 17,897.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,902.69 : 47,873.40 = 11,926.73 : x
  2. Step 2: Convert to fraction form
    31,902.69/47,873.40 = 11,926.73/x
  3. Step 3: Cross multiply
    31,902.69x = 47,873.40 × 11,926.73
  4. Step 4: Simplify right side
    31,902.69x = 570,972,876.62
  5. Step 5: Solve for x
    x = 570,972,876.62/31,902.69
  6. Step 6: Final answer
    x = 17,897.33

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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.