Home / 14,086.12-19,438.78-7,625.76

Finding the Fourth Proportional to 14,086.12, 19,438.78 and 7,625.76

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Solution

The fourth proportional to 14,086.12, 19,438.78 and 7,625.76 is: 10,523.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086.12 : 19,438.78 = 7,625.76 : x
  2. Step 2: Convert to fraction form
    14,086.12/19,438.78 = 7,625.76/x
  3. Step 3: Cross multiply
    14,086.12x = 19,438.78 × 7,625.76
  4. Step 4: Simplify right side
    14,086.12x = 148,235,481.21
  5. Step 5: Solve for x
    x = 148,235,481.21/14,086.12
  6. Step 6: Final answer
    x = 10,523.51

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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.