Home / 13,906.24-19,186.76-7,935.76

Finding the Fourth Proportional to 13,906.24, 19,186.76 and 7,935.76

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Solution

The fourth proportional to 13,906.24, 19,186.76 and 7,935.76 is: 10,949.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.24 : 19,186.76 = 7,935.76 : x
  2. Step 2: Convert to fraction form
    13,906.24/19,186.76 = 7,935.76/x
  3. Step 3: Cross multiply
    13,906.24x = 19,186.76 × 7,935.76
  4. Step 4: Simplify right side
    13,906.24x = 152,261,522.54
  5. Step 5: Solve for x
    x = 152,261,522.54/13,906.24
  6. Step 6: Final answer
    x = 10,949.15

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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.