Home / 20,112.54-30,173.13-6,073.62

Finding the Fourth Proportional to 20,112.54, 30,173.13 and 6,073.62

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Solution

The fourth proportional to 20,112.54, 30,173.13 and 6,073.62 is: 9,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,112.54 : 30,173.13 = 6,073.62 : x
  2. Step 2: Convert to fraction form
    20,112.54/30,173.13 = 6,073.62/x
  3. Step 3: Cross multiply
    20,112.54x = 30,173.13 × 6,073.62
  4. Step 4: Simplify right side
    20,112.54x = 183,260,125.83
  5. Step 5: Solve for x
    x = 183,260,125.83/20,112.54
  6. Step 6: Final answer
    x = 9,111.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.