Home / 13,524.09-20,262.10-8,256.61

Finding the Fourth Proportional to 13,524.09, 20,262.10 and 8,256.61

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Solution

The fourth proportional to 13,524.09, 20,262.10 and 8,256.61 is: 12,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.09 : 20,262.10 = 8,256.61 : x
  2. Step 2: Convert to fraction form
    13,524.09/20,262.10 = 8,256.61/x
  3. Step 3: Cross multiply
    13,524.09x = 20,262.10 × 8,256.61
  4. Step 4: Simplify right side
    13,524.09x = 167,296,220.66
  5. Step 5: Solve for x
    x = 167,296,220.66/13,524.09
  6. Step 6: Final answer
    x = 12,370.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.