Home / 22,208.56-30,646.84-12,136.52

Finding the Fourth Proportional to 22,208.56, 30,646.84 and 12,136.52

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Solution

The fourth proportional to 22,208.56, 30,646.84 and 12,136.52 is: 16,747.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.56 : 30,646.84 = 12,136.52 : x
  2. Step 2: Convert to fraction form
    22,208.56/30,646.84 = 12,136.52/x
  3. Step 3: Cross multiply
    22,208.56x = 30,646.84 × 12,136.52
  4. Step 4: Simplify right side
    22,208.56x = 371,945,986.60
  5. Step 5: Solve for x
    x = 371,945,986.60/22,208.56
  6. Step 6: Final answer
    x = 16,747.87

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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.