Home / 13,975.38-19,288.26-8,233.76

Finding the Fourth Proportional to 13,975.38, 19,288.26 and 8,233.76

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Solution

The fourth proportional to 13,975.38, 19,288.26 and 8,233.76 is: 11,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.38 : 19,288.26 = 8,233.76 : x
  2. Step 2: Convert to fraction form
    13,975.38/19,288.26 = 8,233.76/x
  3. Step 3: Cross multiply
    13,975.38x = 19,288.26 × 8,233.76
  4. Step 4: Simplify right side
    13,975.38x = 158,814,951.88
  5. Step 5: Solve for x
    x = 158,814,951.88/13,975.38
  6. Step 6: Final answer
    x = 11,363.91

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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.