Home / 22,117.56-33,136.02-18,834.36

Finding the Fourth Proportional to 22,117.56, 33,136.02 and 18,834.36

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Solution

The fourth proportional to 22,117.56, 33,136.02 and 18,834.36 is: 28,217.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.56 : 33,136.02 = 18,834.36 : x
  2. Step 2: Convert to fraction form
    22,117.56/33,136.02 = 18,834.36/x
  3. Step 3: Cross multiply
    22,117.56x = 33,136.02 × 18,834.36
  4. Step 4: Simplify right side
    22,117.56x = 624,095,729.65
  5. Step 5: Solve for x
    x = 624,095,729.65/22,117.56
  6. Step 6: Final answer
    x = 28,217.21

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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.