Home / 13,960.21-19,265.15-7,672.99

Finding the Fourth Proportional to 13,960.21, 19,265.15 and 7,672.99

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Solution

The fourth proportional to 13,960.21, 19,265.15 and 7,672.99 is: 10,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.21 : 19,265.15 = 7,672.99 : x
  2. Step 2: Convert to fraction form
    13,960.21/19,265.15 = 7,672.99/x
  3. Step 3: Cross multiply
    13,960.21x = 19,265.15 × 7,672.99
  4. Step 4: Simplify right side
    13,960.21x = 147,821,245.54
  5. Step 5: Solve for x
    x = 147,821,245.54/13,960.21
  6. Step 6: Final answer
    x = 10,588.76

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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.