Home / 16,290.52-22,481.16-9,576.28

Finding the Fourth Proportional to 16,290.52, 22,481.16 and 9,576.28

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Solution

The fourth proportional to 16,290.52, 22,481.16 and 9,576.28 is: 13,215.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290.52 : 22,481.16 = 9,576.28 : x
  2. Step 2: Convert to fraction form
    16,290.52/22,481.16 = 9,576.28/x
  3. Step 3: Cross multiply
    16,290.52x = 22,481.16 × 9,576.28
  4. Step 4: Simplify right side
    16,290.52x = 215,285,882.88
  5. Step 5: Solve for x
    x = 215,285,882.88/16,290.52
  6. Step 6: Final answer
    x = 13,215.41

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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.