Home / 22,136.17-33,177.83-12,756.79

Finding the Fourth Proportional to 22,136.17, 33,177.83 and 12,756.79

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Solution

The fourth proportional to 22,136.17, 33,177.83 and 12,756.79 is: 19,119.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,136.17 : 33,177.83 = 12,756.79 : x
  2. Step 2: Convert to fraction form
    22,136.17/33,177.83 = 12,756.79/x
  3. Step 3: Cross multiply
    22,136.17x = 33,177.83 × 12,756.79
  4. Step 4: Simplify right side
    22,136.17x = 423,242,609.97
  5. Step 5: Solve for x
    x = 423,242,609.97/22,136.17
  6. Step 6: Final answer
    x = 19,119.96

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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.