Home / 14,915.75-20,584.33-8,945.24

Finding the Fourth Proportional to 14,915.75, 20,584.33 and 8,945.24

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Solution

The fourth proportional to 14,915.75, 20,584.33 and 8,945.24 is: 12,344.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915.75 : 20,584.33 = 8,945.24 : x
  2. Step 2: Convert to fraction form
    14,915.75/20,584.33 = 8,945.24/x
  3. Step 3: Cross multiply
    14,915.75x = 20,584.33 × 8,945.24
  4. Step 4: Simplify right side
    14,915.75x = 184,131,646.80
  5. Step 5: Solve for x
    x = 184,131,646.80/14,915.75
  6. Step 6: Final answer
    x = 12,344.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.