Home / 19,955.36-27,536.56-11,000.61

Finding the Fourth Proportional to 19,955.36, 27,536.56 and 11,000.61

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Solution

The fourth proportional to 19,955.36, 27,536.56 and 11,000.61 is: 15,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.36 : 27,536.56 = 11,000.61 : x
  2. Step 2: Convert to fraction form
    19,955.36/27,536.56 = 11,000.61/x
  3. Step 3: Cross multiply
    19,955.36x = 27,536.56 × 11,000.61
  4. Step 4: Simplify right side
    19,955.36x = 302,918,929.80
  5. Step 5: Solve for x
    x = 302,918,929.80/19,955.36
  6. Step 6: Final answer
    x = 15,179.83

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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.