Home / 14,548.60-20,078.70-8,262.04

Finding the Fourth Proportional to 14,548.60, 20,078.70 and 8,262.04

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Solution

The fourth proportional to 14,548.60, 20,078.70 and 8,262.04 is: 11,402.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,548.60 : 20,078.70 = 8,262.04 : x
  2. Step 2: Convert to fraction form
    14,548.60/20,078.70 = 8,262.04/x
  3. Step 3: Cross multiply
    14,548.60x = 20,078.70 × 8,262.04
  4. Step 4: Simplify right side
    14,548.60x = 165,891,022.55
  5. Step 5: Solve for x
    x = 165,891,022.55/14,548.60
  6. Step 6: Final answer
    x = 11,402.54

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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.