Home / 13,932.10-19,217.20-8,262.61

Finding the Fourth Proportional to 13,932.10, 19,217.20 and 8,262.61

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Solution

The fourth proportional to 13,932.10, 19,217.20 and 8,262.61 is: 11,397.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.10 : 19,217.20 = 8,262.61 : x
  2. Step 2: Convert to fraction form
    13,932.10/19,217.20 = 8,262.61/x
  3. Step 3: Cross multiply
    13,932.10x = 19,217.20 × 8,262.61
  4. Step 4: Simplify right side
    13,932.10x = 158,784,175.68
  5. Step 5: Solve for x
    x = 158,784,175.68/13,932.10
  6. Step 6: Final answer
    x = 11,397.00

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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.