Home / 15,592.44-21,517.26-8,786.52

Finding the Fourth Proportional to 15,592.44, 21,517.26 and 8,786.52

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Solution

The fourth proportional to 15,592.44, 21,517.26 and 8,786.52 is: 12,125.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,592.44 : 21,517.26 = 8,786.52 : x
  2. Step 2: Convert to fraction form
    15,592.44/21,517.26 = 8,786.52/x
  3. Step 3: Cross multiply
    15,592.44x = 21,517.26 × 8,786.52
  4. Step 4: Simplify right side
    15,592.44x = 189,061,835.34
  5. Step 5: Solve for x
    x = 189,061,835.34/15,592.44
  6. Step 6: Final answer
    x = 12,125.22

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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.