Home / 25,772.42-38,666.12-10,786.61

Finding the Fourth Proportional to 25,772.42, 38,666.12 and 10,786.61

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Solution

The fourth proportional to 25,772.42, 38,666.12 and 10,786.61 is: 16,183.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,772.42 : 38,666.12 = 10,786.61 : x
  2. Step 2: Convert to fraction form
    25,772.42/38,666.12 = 10,786.61/x
  3. Step 3: Cross multiply
    25,772.42x = 38,666.12 × 10,786.61
  4. Step 4: Simplify right side
    25,772.42x = 417,076,109.39
  5. Step 5: Solve for x
    x = 417,076,109.39/25,772.42
  6. Step 6: Final answer
    x = 16,183.04

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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.