Home / 14,787.08-20,406.14-9,481.88

Finding the Fourth Proportional to 14,787.08, 20,406.14 and 9,481.88

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Solution

The fourth proportional to 14,787.08, 20,406.14 and 9,481.88 is: 13,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.08 : 20,406.14 = 9,481.88 : x
  2. Step 2: Convert to fraction form
    14,787.08/20,406.14 = 9,481.88/x
  3. Step 3: Cross multiply
    14,787.08x = 20,406.14 × 9,481.88
  4. Step 4: Simplify right side
    14,787.08x = 193,488,421.30
  5. Step 5: Solve for x
    x = 193,488,421.30/14,787.08
  6. Step 6: Final answer
    x = 13,084.97

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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.