Home / 13,932.21-20,883.66-4,569.81

Finding the Fourth Proportional to 13,932.21, 20,883.66 and 4,569.81

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Solution

The fourth proportional to 13,932.21, 20,883.66 and 4,569.81 is: 6,849.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.21 : 20,883.66 = 4,569.81 : x
  2. Step 2: Convert to fraction form
    13,932.21/20,883.66 = 4,569.81/x
  3. Step 3: Cross multiply
    13,932.21x = 20,883.66 × 4,569.81
  4. Step 4: Simplify right side
    13,932.21x = 95,434,358.30
  5. Step 5: Solve for x
    x = 95,434,358.30/13,932.21
  6. Step 6: Final answer
    x = 6,849.91

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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.