Home / 14,122.48-21,179.38-9,767.92

Finding the Fourth Proportional to 14,122.48, 21,179.38 and 9,767.92

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Solution

The fourth proportional to 14,122.48, 21,179.38 and 9,767.92 is: 14,648.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.48 : 21,179.38 = 9,767.92 : x
  2. Step 2: Convert to fraction form
    14,122.48/21,179.38 = 9,767.92/x
  3. Step 3: Cross multiply
    14,122.48x = 21,179.38 × 9,767.92
  4. Step 4: Simplify right side
    14,122.48x = 206,878,489.49
  5. Step 5: Solve for x
    x = 206,878,489.49/14,122.48
  6. Step 6: Final answer
    x = 14,648.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.