Home / 13,902.24-19,185.09-7,614.63

Finding the Fourth Proportional to 13,902.24, 19,185.09 and 7,614.63

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Solution

The fourth proportional to 13,902.24, 19,185.09 and 7,614.63 is: 10,508.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.24 : 19,185.09 = 7,614.63 : x
  2. Step 2: Convert to fraction form
    13,902.24/19,185.09 = 7,614.63/x
  3. Step 3: Cross multiply
    13,902.24x = 19,185.09 × 7,614.63
  4. Step 4: Simplify right side
    13,902.24x = 146,087,361.87
  5. Step 5: Solve for x
    x = 146,087,361.87/13,902.24
  6. Step 6: Final answer
    x = 10,508.19

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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.