Home / 20,077.29-27,708.62-11,693.25

Finding the Fourth Proportional to 20,077.29, 27,708.62 and 11,693.25

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Solution

The fourth proportional to 20,077.29, 27,708.62 and 11,693.25 is: 16,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,077.29 : 27,708.62 = 11,693.25 : x
  2. Step 2: Convert to fraction form
    20,077.29/27,708.62 = 11,693.25/x
  3. Step 3: Cross multiply
    20,077.29x = 27,708.62 × 11,693.25
  4. Step 4: Simplify right side
    20,077.29x = 324,003,762.35
  5. Step 5: Solve for x
    x = 324,003,762.35/20,077.29
  6. Step 6: Final answer
    x = 16,137.82

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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.