Home / 20,100.14-27,734.61-12,137.03

Finding the Fourth Proportional to 20,100.14, 27,734.61 and 12,137.03

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Solution

The fourth proportional to 20,100.14, 27,734.61 and 12,137.03 is: 16,746.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100.14 : 27,734.61 = 12,137.03 : x
  2. Step 2: Convert to fraction form
    20,100.14/27,734.61 = 12,137.03/x
  3. Step 3: Cross multiply
    20,100.14x = 27,734.61 × 12,137.03
  4. Step 4: Simplify right side
    20,100.14x = 336,615,793.61
  5. Step 5: Solve for x
    x = 336,615,793.61/20,100.14
  6. Step 6: Final answer
    x = 16,746.94

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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.