Home / 21,192.20-29,245.14-11,632.25

Finding the Fourth Proportional to 21,192.20, 29,245.14 and 11,632.25

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Solution

The fourth proportional to 21,192.20, 29,245.14 and 11,632.25 is: 16,052.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.20 : 29,245.14 = 11,632.25 : x
  2. Step 2: Convert to fraction form
    21,192.20/29,245.14 = 11,632.25/x
  3. Step 3: Cross multiply
    21,192.20x = 29,245.14 × 11,632.25
  4. Step 4: Simplify right side
    21,192.20x = 340,186,633.54
  5. Step 5: Solve for x
    x = 340,186,633.54/21,192.20
  6. Step 6: Final answer
    x = 16,052.45

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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.