Home / 15,631.74-23,453.04-6,865.44

Finding the Fourth Proportional to 15,631.74, 23,453.04 and 6,865.44

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Solution

The fourth proportional to 15,631.74, 23,453.04 and 6,865.44 is: 10,300.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631.74 : 23,453.04 = 6,865.44 : x
  2. Step 2: Convert to fraction form
    15,631.74/23,453.04 = 6,865.44/x
  3. Step 3: Cross multiply
    15,631.74x = 23,453.04 × 6,865.44
  4. Step 4: Simplify right side
    15,631.74x = 161,015,438.94
  5. Step 5: Solve for x
    x = 161,015,438.94/15,631.74
  6. Step 6: Final answer
    x = 10,300.54

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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.