Home / 15,261.33-21,060.36-8,546.88

Finding the Fourth Proportional to 15,261.33, 21,060.36 and 8,546.88

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Solution

The fourth proportional to 15,261.33, 21,060.36 and 8,546.88 is: 11,794.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,261.33 : 21,060.36 = 8,546.88 : x
  2. Step 2: Convert to fraction form
    15,261.33/21,060.36 = 8,546.88/x
  3. Step 3: Cross multiply
    15,261.33x = 21,060.36 × 8,546.88
  4. Step 4: Simplify right side
    15,261.33x = 180,000,369.68
  5. Step 5: Solve for x
    x = 180,000,369.68/15,261.33
  6. Step 6: Final answer
    x = 11,794.54

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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.