Home / 16,857.46-25,262.09-12,380.01

Finding the Fourth Proportional to 16,857.46, 25,262.09 and 12,380.01

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Solution

The fourth proportional to 16,857.46, 25,262.09 and 12,380.01 is: 18,552.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,857.46 : 25,262.09 = 12,380.01 : x
  2. Step 2: Convert to fraction form
    16,857.46/25,262.09 = 12,380.01/x
  3. Step 3: Cross multiply
    16,857.46x = 25,262.09 × 12,380.01
  4. Step 4: Simplify right side
    16,857.46x = 312,744,926.82
  5. Step 5: Solve for x
    x = 312,744,926.82/16,857.46
  6. Step 6: Final answer
    x = 18,552.32

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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.