Home / 17,020.63-23,471.98-11,355.61

Finding the Fourth Proportional to 17,020.63, 23,471.98 and 11,355.61

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Solution

The fourth proportional to 17,020.63, 23,471.98 and 11,355.61 is: 15,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,020.63 : 23,471.98 = 11,355.61 : x
  2. Step 2: Convert to fraction form
    17,020.63/23,471.98 = 11,355.61/x
  3. Step 3: Cross multiply
    17,020.63x = 23,471.98 × 11,355.61
  4. Step 4: Simplify right side
    17,020.63x = 266,538,694.34
  5. Step 5: Solve for x
    x = 266,538,694.34/17,020.63
  6. Step 6: Final answer
    x = 15,659.74

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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.