Home / 13,734.52-18,953.30-8,354.96

Finding the Fourth Proportional to 13,734.52, 18,953.30 and 8,354.96

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Solution

The fourth proportional to 13,734.52, 18,953.30 and 8,354.96 is: 11,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,734.52 : 18,953.30 = 8,354.96 : x
  2. Step 2: Convert to fraction form
    13,734.52/18,953.30 = 8,354.96/x
  3. Step 3: Cross multiply
    13,734.52x = 18,953.30 × 8,354.96
  4. Step 4: Simplify right side
    13,734.52x = 158,354,063.37
  5. Step 5: Solve for x
    x = 158,354,063.37/13,734.52
  6. Step 6: Final answer
    x = 11,529.64

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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.