Home / 17,215.69-23,755.70-9,660.46

Finding the Fourth Proportional to 17,215.69, 23,755.70 and 9,660.46

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Solution

The fourth proportional to 17,215.69, 23,755.70 and 9,660.46 is: 13,330.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,215.69 : 23,755.70 = 9,660.46 : x
  2. Step 2: Convert to fraction form
    17,215.69/23,755.70 = 9,660.46/x
  3. Step 3: Cross multiply
    17,215.69x = 23,755.70 × 9,660.46
  4. Step 4: Simplify right side
    17,215.69x = 229,490,822.54
  5. Step 5: Solve for x
    x = 229,490,822.54/17,215.69
  6. Step 6: Final answer
    x = 13,330.33

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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.