Home / 13,902.27-19,185.36-7,614.24

Finding the Fourth Proportional to 13,902.27, 19,185.36 and 7,614.24

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Solution

The fourth proportional to 13,902.27, 19,185.36 and 7,614.24 is: 10,507.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.27 : 19,185.36 = 7,614.24 : x
  2. Step 2: Convert to fraction form
    13,902.27/19,185.36 = 7,614.24/x
  3. Step 3: Cross multiply
    13,902.27x = 19,185.36 × 7,614.24
  4. Step 4: Simplify right side
    13,902.27x = 146,081,935.53
  5. Step 5: Solve for x
    x = 146,081,935.53/13,902.27
  6. Step 6: Final answer
    x = 10,507.78

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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.