Home / 19,992.09-27,587.86-11,039.38

Finding the Fourth Proportional to 19,992.09, 27,587.86 and 11,039.38

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Solution

The fourth proportional to 19,992.09, 27,587.86 and 11,039.38 is: 15,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,992.09 : 27,587.86 = 11,039.38 : x
  2. Step 2: Convert to fraction form
    19,992.09/27,587.86 = 11,039.38/x
  3. Step 3: Cross multiply
    19,992.09x = 27,587.86 × 11,039.38
  4. Step 4: Simplify right side
    19,992.09x = 304,552,869.93
  5. Step 5: Solve for x
    x = 304,552,869.93/19,992.09
  6. Step 6: Final answer
    x = 15,233.67

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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.