Home / 20,042.52-27,655.56-11,544.99

Finding the Fourth Proportional to 20,042.52, 27,655.56 and 11,544.99

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Solution

The fourth proportional to 20,042.52, 27,655.56 and 11,544.99 is: 15,930.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.52 : 27,655.56 = 11,544.99 : x
  2. Step 2: Convert to fraction form
    20,042.52/27,655.56 = 11,544.99/x
  3. Step 3: Cross multiply
    20,042.52x = 27,655.56 × 11,544.99
  4. Step 4: Simplify right side
    20,042.52x = 319,283,163.64
  5. Step 5: Solve for x
    x = 319,283,163.64/20,042.52
  6. Step 6: Final answer
    x = 15,930.29

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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.