Home / 13,826.20-19,093.74-8,799.88

Finding the Fourth Proportional to 13,826.20, 19,093.74 and 8,799.88

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Solution

The fourth proportional to 13,826.20, 19,093.74 and 8,799.88 is: 12,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,826.20 : 19,093.74 = 8,799.88 : x
  2. Step 2: Convert to fraction form
    13,826.20/19,093.74 = 8,799.88/x
  3. Step 3: Cross multiply
    13,826.20x = 19,093.74 × 8,799.88
  4. Step 4: Simplify right side
    13,826.20x = 168,022,620.75
  5. Step 5: Solve for x
    x = 168,022,620.75/13,826.20
  6. Step 6: Final answer
    x = 12,152.48

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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.