Home / 22,123.44-33,185.04-12,777.60

Finding the Fourth Proportional to 22,123.44, 33,185.04 and 12,777.60

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Solution

The fourth proportional to 22,123.44, 33,185.04 and 12,777.60 is: 19,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,123.44 : 33,185.04 = 12,777.60 : x
  2. Step 2: Convert to fraction form
    22,123.44/33,185.04 = 12,777.60/x
  3. Step 3: Cross multiply
    22,123.44x = 33,185.04 × 12,777.60
  4. Step 4: Simplify right side
    22,123.44x = 424,025,167.10
  5. Step 5: Solve for x
    x = 424,025,167.10/22,123.44
  6. Step 6: Final answer
    x = 19,166.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.