Home / 13,932.34-20,883.84-4,569.92

Finding the Fourth Proportional to 13,932.34, 20,883.84 and 4,569.92

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Solution

The fourth proportional to 13,932.34, 20,883.84 and 4,569.92 is: 6,850.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.34 : 20,883.84 = 4,569.92 : x
  2. Step 2: Convert to fraction form
    13,932.34/20,883.84 = 4,569.92/x
  3. Step 3: Cross multiply
    13,932.34x = 20,883.84 × 4,569.92
  4. Step 4: Simplify right side
    13,932.34x = 95,437,478.09
  5. Step 5: Solve for x
    x = 95,437,478.09/13,932.34
  6. Step 6: Final answer
    x = 6,850.07

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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.