Home / 13,505.53-20,245.98-4,735.66

Finding the Fourth Proportional to 13,505.53, 20,245.98 and 4,735.66

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Solution

The fourth proportional to 13,505.53, 20,245.98 and 4,735.66 is: 7,099.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505.53 : 20,245.98 = 4,735.66 : x
  2. Step 2: Convert to fraction form
    13,505.53/20,245.98 = 4,735.66/x
  3. Step 3: Cross multiply
    13,505.53x = 20,245.98 × 4,735.66
  4. Step 4: Simplify right side
    13,505.53x = 95,878,077.65
  5. Step 5: Solve for x
    x = 95,878,077.65/13,505.53
  6. Step 6: Final answer
    x = 7,099.17

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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.