Home / 19,221.24-26,517.90-11,664.87

Finding the Fourth Proportional to 19,221.24, 26,517.90 and 11,664.87

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Solution

The fourth proportional to 19,221.24, 26,517.90 and 11,664.87 is: 16,093.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,221.24 : 26,517.90 = 11,664.87 : x
  2. Step 2: Convert to fraction form
    19,221.24/26,517.90 = 11,664.87/x
  3. Step 3: Cross multiply
    19,221.24x = 26,517.90 × 11,664.87
  4. Step 4: Simplify right side
    19,221.24x = 309,327,856.17
  5. Step 5: Solve for x
    x = 309,327,856.17/19,221.24
  6. Step 6: Final answer
    x = 16,093.02

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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.