Home / 15,976.28-22,046.28-8,903

Finding the Fourth Proportional to 15,976.28, 22,046.28 and 8,903

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Solution

The fourth proportional to 15,976.28, 22,046.28 and 8,903 is: 12,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.28 : 22,046.28 = 8,903 : x
  2. Step 2: Convert to fraction form
    15,976.28/22,046.28 = 8,903/x
  3. Step 3: Cross multiply
    15,976.28x = 22,046.28 × 8,903
  4. Step 4: Simplify right side
    15,976.28x = 196,278,030.84
  5. Step 5: Solve for x
    x = 196,278,030.84/15,976.28
  6. Step 6: Final answer
    x = 12,285.59

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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.