Home / 19,992.39-27,588.33-11,039.67

Finding the Fourth Proportional to 19,992.39, 27,588.33 and 11,039.67

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Solution

The fourth proportional to 19,992.39, 27,588.33 and 11,039.67 is: 15,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.39 : 27,588.33 = 11,039.67 : x
  2. Step 2: Convert to fraction form
    19,992.39/27,588.33 = 11,039.67/x
  3. Step 3: Cross multiply
    19,992.39x = 27,588.33 × 11,039.67
  4. Step 4: Simplify right side
    19,992.39x = 304,566,059.05
  5. Step 5: Solve for x
    x = 304,566,059.05/19,992.39
  6. Step 6: Final answer
    x = 15,234.10

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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.