Home / 14,177.96-21,267.20-3,789.64

Finding the Fourth Proportional to 14,177.96, 21,267.20 and 3,789.64

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Solution

The fourth proportional to 14,177.96, 21,267.20 and 3,789.64 is: 5,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,177.96 : 21,267.20 = 3,789.64 : x
  2. Step 2: Convert to fraction form
    14,177.96/21,267.20 = 3,789.64/x
  3. Step 3: Cross multiply
    14,177.96x = 21,267.20 × 3,789.64
  4. Step 4: Simplify right side
    14,177.96x = 80,595,031.81
  5. Step 5: Solve for x
    x = 80,595,031.81/14,177.96
  6. Step 6: Final answer
    x = 5,684.53

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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.