Home / 12,451.14-17,147.36-10,958.51

Finding the Fourth Proportional to 12,451.14, 17,147.36 and 10,958.51

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Solution

The fourth proportional to 12,451.14, 17,147.36 and 10,958.51 is: 15,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,451.14 : 17,147.36 = 10,958.51 : x
  2. Step 2: Convert to fraction form
    12,451.14/17,147.36 = 10,958.51/x
  3. Step 3: Cross multiply
    12,451.14x = 17,147.36 × 10,958.51
  4. Step 4: Simplify right side
    12,451.14x = 187,909,586.30
  5. Step 5: Solve for x
    x = 187,909,586.30/12,451.14
  6. Step 6: Final answer
    x = 15,091.76

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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.