Home / 19,992.16-27,589.03-11,039.66

Finding the Fourth Proportional to 19,992.16, 27,589.03 and 11,039.66

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Solution

The fourth proportional to 19,992.16, 27,589.03 and 11,039.66 is: 15,234.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.16 : 27,589.03 = 11,039.66 : x
  2. Step 2: Convert to fraction form
    19,992.16/27,589.03 = 11,039.66/x
  3. Step 3: Cross multiply
    19,992.16x = 27,589.03 × 11,039.66
  4. Step 4: Simplify right side
    19,992.16x = 304,573,510.93
  5. Step 5: Solve for x
    x = 304,573,510.93/19,992.16
  6. Step 6: Final answer
    x = 15,234.65

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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.