Home / 13,731.66-20,580.62-6,325.83

Finding the Fourth Proportional to 13,731.66, 20,580.62 and 6,325.83

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Solution

The fourth proportional to 13,731.66, 20,580.62 and 6,325.83 is: 9,480.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.66 : 20,580.62 = 6,325.83 : x
  2. Step 2: Convert to fraction form
    13,731.66/20,580.62 = 6,325.83/x
  3. Step 3: Cross multiply
    13,731.66x = 20,580.62 × 6,325.83
  4. Step 4: Simplify right side
    13,731.66x = 130,189,471.79
  5. Step 5: Solve for x
    x = 130,189,471.79/13,731.66
  6. Step 6: Final answer
    x = 9,480.97

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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.