Home / 16,765.76-23,136.60-9,212.24

Finding the Fourth Proportional to 16,765.76, 23,136.60 and 9,212.24

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Solution

The fourth proportional to 16,765.76, 23,136.60 and 9,212.24 is: 12,712.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.76 : 23,136.60 = 9,212.24 : x
  2. Step 2: Convert to fraction form
    16,765.76/23,136.60 = 9,212.24/x
  3. Step 3: Cross multiply
    16,765.76x = 23,136.60 × 9,212.24
  4. Step 4: Simplify right side
    16,765.76x = 213,139,911.98
  5. Step 5: Solve for x
    x = 213,139,911.98/16,765.76
  6. Step 6: Final answer
    x = 12,712.81

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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.