Home / 13,811.07-19,057.89-8,504.76

Finding the Fourth Proportional to 13,811.07, 19,057.89 and 8,504.76

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Solution

The fourth proportional to 13,811.07, 19,057.89 and 8,504.76 is: 11,735.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,811.07 : 19,057.89 = 8,504.76 : x
  2. Step 2: Convert to fraction form
    13,811.07/19,057.89 = 8,504.76/x
  3. Step 3: Cross multiply
    13,811.07x = 19,057.89 × 8,504.76
  4. Step 4: Simplify right side
    13,811.07x = 162,082,780.56
  5. Step 5: Solve for x
    x = 162,082,780.56/13,811.07
  6. Step 6: Final answer
    x = 11,735.71

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Half scale
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Double scale
Find fourth proportional to 13,812.07, 19,059.27 and 8,505.76
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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.