Home / 18,997.92-26,212.68-11,442.24

Finding the Fourth Proportional to 18,997.92, 26,212.68 and 11,442.24

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Solution

The fourth proportional to 18,997.92, 26,212.68 and 11,442.24 is: 15,787.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,997.92 : 26,212.68 = 11,442.24 : x
  2. Step 2: Convert to fraction form
    18,997.92/26,212.68 = 11,442.24/x
  3. Step 3: Cross multiply
    18,997.92x = 26,212.68 × 11,442.24
  4. Step 4: Simplify right side
    18,997.92x = 299,931,775.60
  5. Step 5: Solve for x
    x = 299,931,775.60/18,997.92
  6. Step 6: Final answer
    x = 15,787.61

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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.