Home / 13,541.92-20,321.53-5,750.73

Finding the Fourth Proportional to 13,541.92, 20,321.53 and 5,750.73

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Solution

The fourth proportional to 13,541.92, 20,321.53 and 5,750.73 is: 8,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,541.92 : 20,321.53 = 5,750.73 : x
  2. Step 2: Convert to fraction form
    13,541.92/20,321.53 = 5,750.73/x
  3. Step 3: Cross multiply
    13,541.92x = 20,321.53 × 5,750.73
  4. Step 4: Simplify right side
    13,541.92x = 116,863,617.84
  5. Step 5: Solve for x
    x = 116,863,617.84/13,541.92
  6. Step 6: Final answer
    x = 8,629.77

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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.