Home / 13,902.38-19,185.10-7,614.76

Finding the Fourth Proportional to 13,902.38, 19,185.10 and 7,614.76

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Solution

The fourth proportional to 13,902.38, 19,185.10 and 7,614.76 is: 10,508.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.38 : 19,185.10 = 7,614.76 : x
  2. Step 2: Convert to fraction form
    13,902.38/19,185.10 = 7,614.76/x
  3. Step 3: Cross multiply
    13,902.38x = 19,185.10 × 7,614.76
  4. Step 4: Simplify right side
    13,902.38x = 146,089,932.08
  5. Step 5: Solve for x
    x = 146,089,932.08/13,902.38
  6. Step 6: Final answer
    x = 10,508.27

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Half scale
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Double scale
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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.