Home / 16,491.20-22,757.56-9,416.66

Finding the Fourth Proportional to 16,491.20, 22,757.56 and 9,416.66

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Solution

The fourth proportional to 16,491.20, 22,757.56 and 9,416.66 is: 12,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,491.20 : 22,757.56 = 9,416.66 : x
  2. Step 2: Convert to fraction form
    16,491.20/22,757.56 = 9,416.66/x
  3. Step 3: Cross multiply
    16,491.20x = 22,757.56 × 9,416.66
  4. Step 4: Simplify right side
    16,491.20x = 214,300,067.62
  5. Step 5: Solve for x
    x = 214,300,067.62/16,491.20
  6. Step 6: Final answer
    x = 12,994.82

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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.