Home / 13,601.70-20,399.04-4,836.69

Finding the Fourth Proportional to 13,601.70, 20,399.04 and 4,836.69

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Solution

The fourth proportional to 13,601.70, 20,399.04 and 4,836.69 is: 7,253.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.70 : 20,399.04 = 4,836.69 : x
  2. Step 2: Convert to fraction form
    13,601.70/20,399.04 = 4,836.69/x
  3. Step 3: Cross multiply
    13,601.70x = 20,399.04 × 4,836.69
  4. Step 4: Simplify right side
    13,601.70x = 98,663,832.78
  5. Step 5: Solve for x
    x = 98,663,832.78/13,601.70
  6. Step 6: Final answer
    x = 7,253.79

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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.