Home / 15,912.45-23,868.63-4,225.68

Finding the Fourth Proportional to 15,912.45, 23,868.63 and 4,225.68

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Solution

The fourth proportional to 15,912.45, 23,868.63 and 4,225.68 is: 6,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,912.45 : 23,868.63 = 4,225.68 : x
  2. Step 2: Convert to fraction form
    15,912.45/23,868.63 = 4,225.68/x
  3. Step 3: Cross multiply
    15,912.45x = 23,868.63 × 4,225.68
  4. Step 4: Simplify right side
    15,912.45x = 100,861,192.42
  5. Step 5: Solve for x
    x = 100,861,192.42/15,912.45
  6. Step 6: Final answer
    x = 6,338.51

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Similar ratio
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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.