Home / 20,029.52-27,643.20-11,646.02

Finding the Fourth Proportional to 20,029.52, 27,643.20 and 11,646.02

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Solution

The fourth proportional to 20,029.52, 27,643.20 and 11,646.02 is: 16,072.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029.52 : 27,643.20 = 11,646.02 : x
  2. Step 2: Convert to fraction form
    20,029.52/27,643.20 = 11,646.02/x
  3. Step 3: Cross multiply
    20,029.52x = 27,643.20 × 11,646.02
  4. Step 4: Simplify right side
    20,029.52x = 321,933,260.06
  5. Step 5: Solve for x
    x = 321,933,260.06/20,029.52
  6. Step 6: Final answer
    x = 16,072.94

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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.