Home / 15,475.53-23,213.75-3,788.75

Finding the Fourth Proportional to 15,475.53, 23,213.75 and 3,788.75

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Solution

The fourth proportional to 15,475.53, 23,213.75 and 3,788.75 is: 5,683.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.53 : 23,213.75 = 3,788.75 : x
  2. Step 2: Convert to fraction form
    15,475.53/23,213.75 = 3,788.75/x
  3. Step 3: Cross multiply
    15,475.53x = 23,213.75 × 3,788.75
  4. Step 4: Simplify right side
    15,475.53x = 87,951,095.31
  5. Step 5: Solve for x
    x = 87,951,095.31/15,475.53
  6. Step 6: Final answer
    x = 5,683.24

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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.