Home / 11,923.06-16,420.56-11,664.76

Finding the Fourth Proportional to 11,923.06, 16,420.56 and 11,664.76

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Solution

The fourth proportional to 11,923.06, 16,420.56 and 11,664.76 is: 16,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.06 : 16,420.56 = 11,664.76 : x
  2. Step 2: Convert to fraction form
    11,923.06/16,420.56 = 11,664.76/x
  3. Step 3: Cross multiply
    11,923.06x = 16,420.56 × 11,664.76
  4. Step 4: Simplify right side
    11,923.06x = 191,541,891.47
  5. Step 5: Solve for x
    x = 191,541,891.47/11,923.06
  6. Step 6: Final answer
    x = 16,064.83

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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.