Home / 13,654.19-20,481.27-4,295.04

Finding the Fourth Proportional to 13,654.19, 20,481.27 and 4,295.04

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Solution

The fourth proportional to 13,654.19, 20,481.27 and 4,295.04 is: 6,442.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,654.19 : 20,481.27 = 4,295.04 : x
  2. Step 2: Convert to fraction form
    13,654.19/20,481.27 = 4,295.04/x
  3. Step 3: Cross multiply
    13,654.19x = 20,481.27 × 4,295.04
  4. Step 4: Simplify right side
    13,654.19x = 87,967,780.99
  5. Step 5: Solve for x
    x = 87,967,780.99/13,654.19
  6. Step 6: Final answer
    x = 6,442.55

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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.