Home / 13,751.82-20,635.88-5,432.67

Finding the Fourth Proportional to 13,751.82, 20,635.88 and 5,432.67

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Solution

The fourth proportional to 13,751.82, 20,635.88 and 5,432.67 is: 8,152.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,751.82 : 20,635.88 = 5,432.67 : x
  2. Step 2: Convert to fraction form
    13,751.82/20,635.88 = 5,432.67/x
  3. Step 3: Cross multiply
    13,751.82x = 20,635.88 × 5,432.67
  4. Step 4: Simplify right side
    13,751.82x = 112,107,899.04
  5. Step 5: Solve for x
    x = 112,107,899.04/13,751.82
  6. Step 6: Final answer
    x = 8,152.22

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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.