Home / 16,764.99-23,136.12-9,211.52

Finding the Fourth Proportional to 16,764.99, 23,136.12 and 9,211.52

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Solution

The fourth proportional to 16,764.99, 23,136.12 and 9,211.52 is: 12,712.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,764.99 : 23,136.12 = 9,211.52 : x
  2. Step 2: Convert to fraction form
    16,764.99/23,136.12 = 9,211.52/x
  3. Step 3: Cross multiply
    16,764.99x = 23,136.12 × 9,211.52
  4. Step 4: Simplify right side
    16,764.99x = 213,118,716.42
  5. Step 5: Solve for x
    x = 213,118,716.42/16,764.99
  6. Step 6: Final answer
    x = 12,712.13

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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.