Home / 14,851.32-20,494.74-8,136.92

Finding the Fourth Proportional to 14,851.32, 20,494.74 and 8,136.92

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Solution

The fourth proportional to 14,851.32, 20,494.74 and 8,136.92 is: 11,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,851.32 : 20,494.74 = 8,136.92 : x
  2. Step 2: Convert to fraction form
    14,851.32/20,494.74 = 8,136.92/x
  3. Step 3: Cross multiply
    14,851.32x = 20,494.74 × 8,136.92
  4. Step 4: Simplify right side
    14,851.32x = 166,764,059.80
  5. Step 5: Solve for x
    x = 166,764,059.80/14,851.32
  6. Step 6: Final answer
    x = 11,228.90

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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.