Home / 12,614.14-18,921.15-3,849.02

Finding the Fourth Proportional to 12,614.14, 18,921.15 and 3,849.02

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Solution

The fourth proportional to 12,614.14, 18,921.15 and 3,849.02 is: 5,773.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,614.14 : 18,921.15 = 3,849.02 : x
  2. Step 2: Convert to fraction form
    12,614.14/18,921.15 = 3,849.02/x
  3. Step 3: Cross multiply
    12,614.14x = 18,921.15 × 3,849.02
  4. Step 4: Simplify right side
    12,614.14x = 72,827,884.77
  5. Step 5: Solve for x
    x = 72,827,884.77/12,614.14
  6. Step 6: Final answer
    x = 5,773.51

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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.