Home / 12,960.14-19,425.03-4,949.66

Finding the Fourth Proportional to 12,960.14, 19,425.03 and 4,949.66

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Solution

The fourth proportional to 12,960.14, 19,425.03 and 4,949.66 is: 7,418.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,960.14 : 19,425.03 = 4,949.66 : x
  2. Step 2: Convert to fraction form
    12,960.14/19,425.03 = 4,949.66/x
  3. Step 3: Cross multiply
    12,960.14x = 19,425.03 × 4,949.66
  4. Step 4: Simplify right side
    12,960.14x = 96,147,256.49
  5. Step 5: Solve for x
    x = 96,147,256.49/12,960.14
  6. Step 6: Final answer
    x = 7,418.69

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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.