Home / 22,136.96-30,548.21-12,065.20

Finding the Fourth Proportional to 22,136.96, 30,548.21 and 12,065.20

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Solution

The fourth proportional to 22,136.96, 30,548.21 and 12,065.20 is: 16,649.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.96 : 30,548.21 = 12,065.20 : x
  2. Step 2: Convert to fraction form
    22,136.96/30,548.21 = 12,065.20/x
  3. Step 3: Cross multiply
    22,136.96x = 30,548.21 × 12,065.20
  4. Step 4: Simplify right side
    22,136.96x = 368,570,110.55
  5. Step 5: Solve for x
    x = 368,570,110.55/22,136.96
  6. Step 6: Final answer
    x = 16,649.54

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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.