Home / 20,113.03-30,157.78-6,068.84

Finding the Fourth Proportional to 20,113.03, 30,157.78 and 6,068.84

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Solution

The fourth proportional to 20,113.03, 30,157.78 and 6,068.84 is: 9,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.03 : 30,157.78 = 6,068.84 : x
  2. Step 2: Convert to fraction form
    20,113.03/30,157.78 = 6,068.84/x
  3. Step 3: Cross multiply
    20,113.03x = 30,157.78 × 6,068.84
  4. Step 4: Simplify right side
    20,113.03x = 183,022,801.80
  5. Step 5: Solve for x
    x = 183,022,801.80/20,113.03
  6. Step 6: Final answer
    x = 9,099.71

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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.