Home / 25,378.25-35,037.35-16,561.61

Finding the Fourth Proportional to 25,378.25, 35,037.35 and 16,561.61

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Solution

The fourth proportional to 25,378.25, 35,037.35 and 16,561.61 is: 22,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.25 : 35,037.35 = 16,561.61 : x
  2. Step 2: Convert to fraction form
    25,378.25/35,037.35 = 16,561.61/x
  3. Step 3: Cross multiply
    25,378.25x = 35,037.35 × 16,561.61
  4. Step 4: Simplify right side
    25,378.25x = 580,274,843.33
  5. Step 5: Solve for x
    x = 580,274,843.33/25,378.25
  6. Step 6: Final answer
    x = 22,865.05

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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.