Home / 15,236.92-21,026.28-8,522.56

Finding the Fourth Proportional to 15,236.92, 21,026.28 and 8,522.56

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Solution

The fourth proportional to 15,236.92, 21,026.28 and 8,522.56 is: 11,760.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.92 : 21,026.28 = 8,522.56 : x
  2. Step 2: Convert to fraction form
    15,236.92/21,026.28 = 8,522.56/x
  3. Step 3: Cross multiply
    15,236.92x = 21,026.28 × 8,522.56
  4. Step 4: Simplify right side
    15,236.92x = 179,197,732.88
  5. Step 5: Solve for x
    x = 179,197,732.88/15,236.92
  6. Step 6: Final answer
    x = 11,760.76

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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.