Home / 25,633.20-38,455.20-10,050.78

Finding the Fourth Proportional to 25,633.20, 38,455.20 and 10,050.78

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Solution

The fourth proportional to 25,633.20, 38,455.20 and 10,050.78 is: 15,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,633.20 : 38,455.20 = 10,050.78 : x
  2. Step 2: Convert to fraction form
    25,633.20/38,455.20 = 10,050.78/x
  3. Step 3: Cross multiply
    25,633.20x = 38,455.20 × 10,050.78
  4. Step 4: Simplify right side
    25,633.20x = 386,504,755.06
  5. Step 5: Solve for x
    x = 386,504,755.06/25,633.20
  6. Step 6: Final answer
    x = 15,078.29

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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.