Home / 18,141.05-25,031.49-10,183.61

Finding the Fourth Proportional to 18,141.05, 25,031.49 and 10,183.61

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Solution

The fourth proportional to 18,141.05, 25,031.49 and 10,183.61 is: 14,051.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.05 : 25,031.49 = 10,183.61 : x
  2. Step 2: Convert to fraction form
    18,141.05/25,031.49 = 10,183.61/x
  3. Step 3: Cross multiply
    18,141.05x = 25,031.49 × 10,183.61
  4. Step 4: Simplify right side
    18,141.05x = 254,910,931.88
  5. Step 5: Solve for x
    x = 254,910,931.88/18,141.05
  6. Step 6: Final answer
    x = 14,051.61

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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.