Home / 19,965.86-27,553.06-11,013.67

Finding the Fourth Proportional to 19,965.86, 27,553.06 and 11,013.67

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Solution

The fourth proportional to 19,965.86, 27,553.06 and 11,013.67 is: 15,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,965.86 : 27,553.06 = 11,013.67 : x
  2. Step 2: Convert to fraction form
    19,965.86/27,553.06 = 11,013.67/x
  3. Step 3: Cross multiply
    19,965.86x = 27,553.06 × 11,013.67
  4. Step 4: Simplify right side
    19,965.86x = 303,460,358.54
  5. Step 5: Solve for x
    x = 303,460,358.54/19,965.86
  6. Step 6: Final answer
    x = 15,198.96

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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.