Home / 15,044.97-20,762.82-8,330.88

Finding the Fourth Proportional to 15,044.97, 20,762.82 and 8,330.88

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Solution

The fourth proportional to 15,044.97, 20,762.82 and 8,330.88 is: 11,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.97 : 20,762.82 = 8,330.88 : x
  2. Step 2: Convert to fraction form
    15,044.97/20,762.82 = 8,330.88/x
  3. Step 3: Cross multiply
    15,044.97x = 20,762.82 × 8,330.88
  4. Step 4: Simplify right side
    15,044.97x = 172,972,561.88
  5. Step 5: Solve for x
    x = 172,972,561.88/15,044.97
  6. Step 6: Final answer
    x = 11,497.04

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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.