Home / 13,475.13-20,211.98-4,709.85

Finding the Fourth Proportional to 13,475.13, 20,211.98 and 4,709.85

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Solution

The fourth proportional to 13,475.13, 20,211.98 and 4,709.85 is: 7,064.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,475.13 : 20,211.98 = 4,709.85 : x
  2. Step 2: Convert to fraction form
    13,475.13/20,211.98 = 4,709.85/x
  3. Step 3: Cross multiply
    13,475.13x = 20,211.98 × 4,709.85
  4. Step 4: Simplify right side
    13,475.13x = 95,195,370.45
  5. Step 5: Solve for x
    x = 95,195,370.45/13,475.13
  6. Step 6: Final answer
    x = 7,064.52

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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.