Home / 14,670.82-20,245.73-7,956.44

Finding the Fourth Proportional to 14,670.82, 20,245.73 and 7,956.44

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Solution

The fourth proportional to 14,670.82, 20,245.73 and 7,956.44 is: 10,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.82 : 20,245.73 = 7,956.44 : x
  2. Step 2: Convert to fraction form
    14,670.82/20,245.73 = 7,956.44/x
  3. Step 3: Cross multiply
    14,670.82x = 20,245.73 × 7,956.44
  4. Step 4: Simplify right side
    14,670.82x = 161,083,955.89
  5. Step 5: Solve for x
    x = 161,083,955.89/14,670.82
  6. Step 6: Final answer
    x = 10,979.89

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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.