Home / 25,438.70-35,087.82-17,900.84

Finding the Fourth Proportional to 25,438.70, 35,087.82 and 17,900.84

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Solution

The fourth proportional to 25,438.70, 35,087.82 and 17,900.84 is: 24,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.70 : 35,087.82 = 17,900.84 : x
  2. Step 2: Convert to fraction form
    25,438.70/35,087.82 = 17,900.84/x
  3. Step 3: Cross multiply
    25,438.70x = 35,087.82 × 17,900.84
  4. Step 4: Simplify right side
    25,438.70x = 628,101,451.77
  5. Step 5: Solve for x
    x = 628,101,451.77/25,438.70
  6. Step 6: Final answer
    x = 24,690.78

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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.