Home / 16,725.98-25,107.15-12,577.88

Finding the Fourth Proportional to 16,725.98, 25,107.15 and 12,577.88

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Solution

The fourth proportional to 16,725.98, 25,107.15 and 12,577.88 is: 18,880.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,725.98 : 25,107.15 = 12,577.88 : x
  2. Step 2: Convert to fraction form
    16,725.98/25,107.15 = 12,577.88/x
  3. Step 3: Cross multiply
    16,725.98x = 25,107.15 × 12,577.88
  4. Step 4: Simplify right side
    16,725.98x = 315,794,719.84
  5. Step 5: Solve for x
    x = 315,794,719.84/16,725.98
  6. Step 6: Final answer
    x = 18,880.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.