Home / 20,264.12-27,964.37-11,768.33

Finding the Fourth Proportional to 20,264.12, 27,964.37 and 11,768.33

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Solution

The fourth proportional to 20,264.12, 27,964.37 and 11,768.33 is: 16,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,264.12 : 27,964.37 = 11,768.33 : x
  2. Step 2: Convert to fraction form
    20,264.12/27,964.37 = 11,768.33/x
  3. Step 3: Cross multiply
    20,264.12x = 27,964.37 × 11,768.33
  4. Step 4: Simplify right side
    20,264.12x = 329,093,779.87
  5. Step 5: Solve for x
    x = 329,093,779.87/20,264.12
  6. Step 6: Final answer
    x = 16,240.22

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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.