Home / 13,347.76-20,023.01-4,581.54

Finding the Fourth Proportional to 13,347.76, 20,023.01 and 4,581.54

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Solution

The fourth proportional to 13,347.76, 20,023.01 and 4,581.54 is: 6,872.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,347.76 : 20,023.01 = 4,581.54 : x
  2. Step 2: Convert to fraction form
    13,347.76/20,023.01 = 4,581.54/x
  3. Step 3: Cross multiply
    13,347.76x = 20,023.01 × 4,581.54
  4. Step 4: Simplify right side
    13,347.76x = 91,736,221.24
  5. Step 5: Solve for x
    x = 91,736,221.24/13,347.76
  6. Step 6: Final answer
    x = 6,872.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.