Home / 13,476.60-20,193.30-8,854.20

Finding the Fourth Proportional to 13,476.60, 20,193.30 and 8,854.20

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Solution

The fourth proportional to 13,476.60, 20,193.30 and 8,854.20 is: 13,267.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476.60 : 20,193.30 = 8,854.20 : x
  2. Step 2: Convert to fraction form
    13,476.60/20,193.30 = 8,854.20/x
  3. Step 3: Cross multiply
    13,476.60x = 20,193.30 × 8,854.20
  4. Step 4: Simplify right side
    13,476.60x = 178,795,516.86
  5. Step 5: Solve for x
    x = 178,795,516.86/13,476.60
  6. Step 6: Final answer
    x = 13,267.11

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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.