Home / 12,546.72-18,821.88-6,700.14

Finding the Fourth Proportional to 12,546.72, 18,821.88 and 6,700.14

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Solution

The fourth proportional to 12,546.72, 18,821.88 and 6,700.14 is: 10,051.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546.72 : 18,821.88 = 6,700.14 : x
  2. Step 2: Convert to fraction form
    12,546.72/18,821.88 = 6,700.14/x
  3. Step 3: Cross multiply
    12,546.72x = 18,821.88 × 6,700.14
  4. Step 4: Simplify right side
    12,546.72x = 126,109,231.06
  5. Step 5: Solve for x
    x = 126,109,231.06/12,546.72
  6. Step 6: Final answer
    x = 10,051.17

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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.