Home / 13,956.59-20,935.56-5,635.57

Finding the Fourth Proportional to 13,956.59, 20,935.56 and 5,635.57

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Solution

The fourth proportional to 13,956.59, 20,935.56 and 5,635.57 is: 8,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.59 : 20,935.56 = 5,635.57 : x
  2. Step 2: Convert to fraction form
    13,956.59/20,935.56 = 5,635.57/x
  3. Step 3: Cross multiply
    13,956.59x = 20,935.56 × 5,635.57
  4. Step 4: Simplify right side
    13,956.59x = 117,983,709.19
  5. Step 5: Solve for x
    x = 117,983,709.19/13,956.59
  6. Step 6: Final answer
    x = 8,453.62

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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.