Home / 15,236.62-21,026.38-8,522.16

Finding the Fourth Proportional to 15,236.62, 21,026.38 and 8,522.16

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Solution

The fourth proportional to 15,236.62, 21,026.38 and 8,522.16 is: 11,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,236.62 : 21,026.38 = 8,522.16 : x
  2. Step 2: Convert to fraction form
    15,236.62/21,026.38 = 8,522.16/x
  3. Step 3: Cross multiply
    15,236.62x = 21,026.38 × 8,522.16
  4. Step 4: Simplify right side
    15,236.62x = 179,190,174.58
  5. Step 5: Solve for x
    x = 179,190,174.58/15,236.62
  6. Step 6: Final answer
    x = 11,760.49

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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.