Home / 13,836.12-19,093.20-8,531.44

Finding the Fourth Proportional to 13,836.12, 19,093.20 and 8,531.44

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Solution

The fourth proportional to 13,836.12, 19,093.20 and 8,531.44 is: 11,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,836.12 : 19,093.20 = 8,531.44 : x
  2. Step 2: Convert to fraction form
    13,836.12/19,093.20 = 8,531.44/x
  3. Step 3: Cross multiply
    13,836.12x = 19,093.20 × 8,531.44
  4. Step 4: Simplify right side
    13,836.12x = 162,892,490.21
  5. Step 5: Solve for x
    x = 162,892,490.21/13,836.12
  6. Step 6: Final answer
    x = 11,772.99

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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.