Home / 15,452.87-23,180.67-8,429.86

Finding the Fourth Proportional to 15,452.87, 23,180.67 and 8,429.86

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Solution

The fourth proportional to 15,452.87, 23,180.67 and 8,429.86 is: 12,645.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,452.87 : 23,180.67 = 8,429.86 : x
  2. Step 2: Convert to fraction form
    15,452.87/23,180.67 = 8,429.86/x
  3. Step 3: Cross multiply
    15,452.87x = 23,180.67 × 8,429.86
  4. Step 4: Simplify right side
    15,452.87x = 195,409,885.12
  5. Step 5: Solve for x
    x = 195,409,885.12/15,452.87
  6. Step 6: Final answer
    x = 12,645.54

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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.