Home / 14,103.35-19,462.29-7,729.73

Finding the Fourth Proportional to 14,103.35, 19,462.29 and 7,729.73

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Solution

The fourth proportional to 14,103.35, 19,462.29 and 7,729.73 is: 10,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.35 : 19,462.29 = 7,729.73 : x
  2. Step 2: Convert to fraction form
    14,103.35/19,462.29 = 7,729.73/x
  3. Step 3: Cross multiply
    14,103.35x = 19,462.29 × 7,729.73
  4. Step 4: Simplify right side
    14,103.35x = 150,438,246.88
  5. Step 5: Solve for x
    x = 150,438,246.88/14,103.35
  6. Step 6: Final answer
    x = 10,666.84

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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.