Home / 25,716.84-35,489.52-15,106.92

Finding the Fourth Proportional to 25,716.84, 35,489.52 and 15,106.92

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Solution

The fourth proportional to 25,716.84, 35,489.52 and 15,106.92 is: 20,847.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.84 : 35,489.52 = 15,106.92 : x
  2. Step 2: Convert to fraction form
    25,716.84/35,489.52 = 15,106.92/x
  3. Step 3: Cross multiply
    25,716.84x = 35,489.52 × 15,106.92
  4. Step 4: Simplify right side
    25,716.84x = 536,137,339.48
  5. Step 5: Solve for x
    x = 536,137,339.48/25,716.84
  6. Step 6: Final answer
    x = 20,847.71

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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.