Home / 19,832.67-27,369.30-10,879.95

Finding the Fourth Proportional to 19,832.67, 27,369.30 and 10,879.95

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Solution

The fourth proportional to 19,832.67, 27,369.30 and 10,879.95 is: 15,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,832.67 : 27,369.30 = 10,879.95 : x
  2. Step 2: Convert to fraction form
    19,832.67/27,369.30 = 10,879.95/x
  3. Step 3: Cross multiply
    19,832.67x = 27,369.30 × 10,879.95
  4. Step 4: Simplify right side
    19,832.67x = 297,776,615.54
  5. Step 5: Solve for x
    x = 297,776,615.54/19,832.67
  6. Step 6: Final answer
    x = 15,014.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.