Home / 16,921.76-23,362.60-10,874.44

Finding the Fourth Proportional to 16,921.76, 23,362.60 and 10,874.44

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Solution

The fourth proportional to 16,921.76, 23,362.60 and 10,874.44 is: 15,013.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.76 : 23,362.60 = 10,874.44 : x
  2. Step 2: Convert to fraction form
    16,921.76/23,362.60 = 10,874.44/x
  3. Step 3: Cross multiply
    16,921.76x = 23,362.60 × 10,874.44
  4. Step 4: Simplify right side
    16,921.76x = 254,055,191.94
  5. Step 5: Solve for x
    x = 254,055,191.94/16,921.76
  6. Step 6: Final answer
    x = 15,013.52

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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.