Home / 20,140.08-27,796.92-11,641

Finding the Fourth Proportional to 20,140.08, 27,796.92 and 11,641

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Solution

The fourth proportional to 20,140.08, 27,796.92 and 11,641 is: 16,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,140.08 : 27,796.92 = 11,641 : x
  2. Step 2: Convert to fraction form
    20,140.08/27,796.92 = 11,641/x
  3. Step 3: Cross multiply
    20,140.08x = 27,796.92 × 11,641
  4. Step 4: Simplify right side
    20,140.08x = 323,583,945.72
  5. Step 5: Solve for x
    x = 323,583,945.72/20,140.08
  6. Step 6: Final answer
    x = 16,066.67

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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.