Home / 20,096.13-30,152.40-6,957.75

Finding the Fourth Proportional to 20,096.13, 30,152.40 and 6,957.75

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Solution

The fourth proportional to 20,096.13, 30,152.40 and 6,957.75 is: 10,439.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.13 : 30,152.40 = 6,957.75 : x
  2. Step 2: Convert to fraction form
    20,096.13/30,152.40 = 6,957.75/x
  3. Step 3: Cross multiply
    20,096.13x = 30,152.40 × 6,957.75
  4. Step 4: Simplify right side
    20,096.13x = 209,792,861.10
  5. Step 5: Solve for x
    x = 209,792,861.10/20,096.13
  6. Step 6: Final answer
    x = 10,439.47

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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.