Home / 16,921.22-23,343.53-10,954.82

Finding the Fourth Proportional to 16,921.22, 23,343.53 and 10,954.82

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Solution

The fourth proportional to 16,921.22, 23,343.53 and 10,954.82 is: 15,112.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.22 : 23,343.53 = 10,954.82 : x
  2. Step 2: Convert to fraction form
    16,921.22/23,343.53 = 10,954.82/x
  3. Step 3: Cross multiply
    16,921.22x = 23,343.53 × 10,954.82
  4. Step 4: Simplify right side
    16,921.22x = 255,723,997.82
  5. Step 5: Solve for x
    x = 255,723,997.82/16,921.22
  6. Step 6: Final answer
    x = 15,112.63

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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.