Home / 14,851.20-20,494.53-8,136.69

Finding the Fourth Proportional to 14,851.20, 20,494.53 and 8,136.69

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Solution

The fourth proportional to 14,851.20, 20,494.53 and 8,136.69 is: 11,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,851.20 : 20,494.53 = 8,136.69 : x
  2. Step 2: Convert to fraction form
    14,851.20/20,494.53 = 8,136.69/x
  3. Step 3: Cross multiply
    14,851.20x = 20,494.53 × 8,136.69
  4. Step 4: Simplify right side
    14,851.20x = 166,757,637.31
  5. Step 5: Solve for x
    x = 166,757,637.31/14,851.20
  6. Step 6: Final answer
    x = 11,228.56

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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.