Home / 14,076.92-19,425.51-8,109.45

Finding the Fourth Proportional to 14,076.92, 19,425.51 and 8,109.45

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Solution

The fourth proportional to 14,076.92, 19,425.51 and 8,109.45 is: 11,190.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,076.92 : 19,425.51 = 8,109.45 : x
  2. Step 2: Convert to fraction form
    14,076.92/19,425.51 = 8,109.45/x
  3. Step 3: Cross multiply
    14,076.92x = 19,425.51 × 8,109.45
  4. Step 4: Simplify right side
    14,076.92x = 157,530,202.07
  5. Step 5: Solve for x
    x = 157,530,202.07/14,076.92
  6. Step 6: Final answer
    x = 11,190.67

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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.