Home / 25,857.21-35,682.93-14,679.21

Finding the Fourth Proportional to 25,857.21, 35,682.93 and 14,679.21

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Solution

The fourth proportional to 25,857.21, 35,682.93 and 14,679.21 is: 20,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,857.21 : 35,682.93 = 14,679.21 : x
  2. Step 2: Convert to fraction form
    25,857.21/35,682.93 = 14,679.21/x
  3. Step 3: Cross multiply
    25,857.21x = 35,682.93 × 14,679.21
  4. Step 4: Simplify right side
    25,857.21x = 523,797,222.89
  5. Step 5: Solve for x
    x = 523,797,222.89/25,857.21
  6. Step 6: Final answer
    x = 20,257.30

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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.