Home / 20,034.07-27,646.88-11,971.41

Finding the Fourth Proportional to 20,034.07, 27,646.88 and 11,971.41

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Solution

The fourth proportional to 20,034.07, 27,646.88 and 11,971.41 is: 16,520.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,034.07 : 27,646.88 = 11,971.41 : x
  2. Step 2: Convert to fraction form
    20,034.07/27,646.88 = 11,971.41/x
  3. Step 3: Cross multiply
    20,034.07x = 27,646.88 × 11,971.41
  4. Step 4: Simplify right side
    20,034.07x = 330,972,135.70
  5. Step 5: Solve for x
    x = 330,972,135.70/20,034.07
  6. Step 6: Final answer
    x = 16,520.46

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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.