Home / 20,039.67-27,654.95-11,087.48

Finding the Fourth Proportional to 20,039.67, 27,654.95 and 11,087.48

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Solution

The fourth proportional to 20,039.67, 27,654.95 and 11,087.48 is: 15,300.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,039.67 : 27,654.95 = 11,087.48 : x
  2. Step 2: Convert to fraction form
    20,039.67/27,654.95 = 11,087.48/x
  3. Step 3: Cross multiply
    20,039.67x = 27,654.95 × 11,087.48
  4. Step 4: Simplify right side
    20,039.67x = 306,623,801.88
  5. Step 5: Solve for x
    x = 306,623,801.88/20,039.67
  6. Step 6: Final answer
    x = 15,300.84

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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.