Home / 16,664.99-22,996.76-9,109.92

Finding the Fourth Proportional to 16,664.99, 22,996.76 and 9,109.92

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Solution

The fourth proportional to 16,664.99, 22,996.76 and 9,109.92 is: 12,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,664.99 : 22,996.76 = 9,109.92 : x
  2. Step 2: Convert to fraction form
    16,664.99/22,996.76 = 9,109.92/x
  3. Step 3: Cross multiply
    16,664.99x = 22,996.76 × 9,109.92
  4. Step 4: Simplify right side
    16,664.99x = 209,498,606.43
  5. Step 5: Solve for x
    x = 209,498,606.43/16,664.99
  6. Step 6: Final answer
    x = 12,571.18

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Double scale
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Similar ratio
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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.