Home / 14,331.44-19,777.48-7,958.14

Finding the Fourth Proportional to 14,331.44, 19,777.48 and 7,958.14

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Solution

The fourth proportional to 14,331.44, 19,777.48 and 7,958.14 is: 10,982.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,331.44 : 19,777.48 = 7,958.14 : x
  2. Step 2: Convert to fraction form
    14,331.44/19,777.48 = 7,958.14/x
  3. Step 3: Cross multiply
    14,331.44x = 19,777.48 × 7,958.14
  4. Step 4: Simplify right side
    14,331.44x = 157,391,885.35
  5. Step 5: Solve for x
    x = 157,391,885.35/14,331.44
  6. Step 6: Final answer
    x = 10,982.28

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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.