Home / 13,795.56-20,693.19-9,136.42

Finding the Fourth Proportional to 13,795.56, 20,693.19 and 9,136.42

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Solution

The fourth proportional to 13,795.56, 20,693.19 and 9,136.42 is: 13,704.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.56 : 20,693.19 = 9,136.42 : x
  2. Step 2: Convert to fraction form
    13,795.56/20,693.19 = 9,136.42/x
  3. Step 3: Cross multiply
    13,795.56x = 20,693.19 × 9,136.42
  4. Step 4: Simplify right side
    13,795.56x = 189,061,571.51
  5. Step 5: Solve for x
    x = 189,061,571.51/13,795.56
  6. Step 6: Final answer
    x = 13,704.52

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1.5x scale

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.