Home / 13,236.46-18,267.27-8,752.43

Finding the Fourth Proportional to 13,236.46, 18,267.27 and 8,752.43

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Solution

The fourth proportional to 13,236.46, 18,267.27 and 8,752.43 is: 12,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,236.46 : 18,267.27 = 8,752.43 : x
  2. Step 2: Convert to fraction form
    13,236.46/18,267.27 = 8,752.43/x
  3. Step 3: Cross multiply
    13,236.46x = 18,267.27 × 8,752.43
  4. Step 4: Simplify right side
    13,236.46x = 159,883,001.97
  5. Step 5: Solve for x
    x = 159,883,001.97/13,236.46
  6. Step 6: Final answer
    x = 12,078.99

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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.