Home / 25,469.94-35,148.82-14,139.66

Finding the Fourth Proportional to 25,469.94, 35,148.82 and 14,139.66

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Solution

The fourth proportional to 25,469.94, 35,148.82 and 14,139.66 is: 19,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,469.94 : 35,148.82 = 14,139.66 : x
  2. Step 2: Convert to fraction form
    25,469.94/35,148.82 = 14,139.66/x
  3. Step 3: Cross multiply
    25,469.94x = 35,148.82 × 14,139.66
  4. Step 4: Simplify right side
    25,469.94x = 496,992,364.20
  5. Step 5: Solve for x
    x = 496,992,364.20/25,469.94
  6. Step 6: Final answer
    x = 19,512.90

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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.