Home / 18,768.34-25,892.58-12,057.88

Finding the Fourth Proportional to 18,768.34, 25,892.58 and 12,057.88

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Solution

The fourth proportional to 18,768.34, 25,892.58 and 12,057.88 is: 16,634.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,768.34 : 25,892.58 = 12,057.88 : x
  2. Step 2: Convert to fraction form
    18,768.34/25,892.58 = 12,057.88/x
  3. Step 3: Cross multiply
    18,768.34x = 25,892.58 × 12,057.88
  4. Step 4: Simplify right side
    18,768.34x = 312,209,622.53
  5. Step 5: Solve for x
    x = 312,209,622.53/18,768.34
  6. Step 6: Final answer
    x = 16,634.91

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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.