Home / 13,464.96-20,200.80-7,922.94

Finding the Fourth Proportional to 13,464.96, 20,200.80 and 7,922.94

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Solution

The fourth proportional to 13,464.96, 20,200.80 and 7,922.94 is: 11,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,464.96 : 20,200.80 = 7,922.94 : x
  2. Step 2: Convert to fraction form
    13,464.96/20,200.80 = 7,922.94/x
  3. Step 3: Cross multiply
    13,464.96x = 20,200.80 × 7,922.94
  4. Step 4: Simplify right side
    13,464.96x = 160,049,726.35
  5. Step 5: Solve for x
    x = 160,049,726.35/13,464.96
  6. Step 6: Final answer
    x = 11,886.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.