Home / 13,081.45-18,052.03-7,416.73

Finding the Fourth Proportional to 13,081.45, 18,052.03 and 7,416.73

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Solution

The fourth proportional to 13,081.45, 18,052.03 and 7,416.73 is: 10,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.45 : 18,052.03 = 7,416.73 : x
  2. Step 2: Convert to fraction form
    13,081.45/18,052.03 = 7,416.73/x
  3. Step 3: Cross multiply
    13,081.45x = 18,052.03 × 7,416.73
  4. Step 4: Simplify right side
    13,081.45x = 133,887,032.46
  5. Step 5: Solve for x
    x = 133,887,032.46/13,081.45
  6. Step 6: Final answer
    x = 10,234.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.