Home / 14,627.28-20,185.66-8,255.24

Finding the Fourth Proportional to 14,627.28, 20,185.66 and 8,255.24

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Solution

The fourth proportional to 14,627.28, 20,185.66 and 8,255.24 is: 11,392.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.28 : 20,185.66 = 8,255.24 : x
  2. Step 2: Convert to fraction form
    14,627.28/20,185.66 = 8,255.24/x
  3. Step 3: Cross multiply
    14,627.28x = 20,185.66 × 8,255.24
  4. Step 4: Simplify right side
    14,627.28x = 166,637,452.95
  5. Step 5: Solve for x
    x = 166,637,452.95/14,627.28
  6. Step 6: Final answer
    x = 11,392.23

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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.