Home / 17,215.14-23,755.92-9,660.77

Finding the Fourth Proportional to 17,215.14, 23,755.92 and 9,660.77

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Solution

The fourth proportional to 17,215.14, 23,755.92 and 9,660.77 is: 13,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.14 : 23,755.92 = 9,660.77 : x
  2. Step 2: Convert to fraction form
    17,215.14/23,755.92 = 9,660.77/x
  3. Step 3: Cross multiply
    17,215.14x = 23,755.92 × 9,660.77
  4. Step 4: Simplify right side
    17,215.14x = 229,500,360.48
  5. Step 5: Solve for x
    x = 229,500,360.48/17,215.14
  6. Step 6: Final answer
    x = 13,331.31

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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.