Home / 13,674.82-20,504.40-8,132.04

Finding the Fourth Proportional to 13,674.82, 20,504.40 and 8,132.04

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Solution

The fourth proportional to 13,674.82, 20,504.40 and 8,132.04 is: 12,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,674.82 : 20,504.40 = 8,132.04 : x
  2. Step 2: Convert to fraction form
    13,674.82/20,504.40 = 8,132.04/x
  3. Step 3: Cross multiply
    13,674.82x = 20,504.40 × 8,132.04
  4. Step 4: Simplify right side
    13,674.82x = 166,742,498.45
  5. Step 5: Solve for x
    x = 166,742,498.45/13,674.82
  6. Step 6: Final answer
    x = 12,193.40

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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.