Home / 15,976.31-22,047.39-9,265.91

Finding the Fourth Proportional to 15,976.31, 22,047.39 and 9,265.91

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Solution

The fourth proportional to 15,976.31, 22,047.39 and 9,265.91 is: 12,787.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,976.31 : 22,047.39 = 9,265.91 : x
  2. Step 2: Convert to fraction form
    15,976.31/22,047.39 = 9,265.91/x
  3. Step 3: Cross multiply
    15,976.31x = 22,047.39 × 9,265.91
  4. Step 4: Simplify right side
    15,976.31x = 204,289,186.59
  5. Step 5: Solve for x
    x = 204,289,186.59/15,976.31
  6. Step 6: Final answer
    x = 12,787.01

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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.