Home / 22,022.40-33,033.60-18,085.80

Finding the Fourth Proportional to 22,022.40, 33,033.60 and 18,085.80

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Solution

The fourth proportional to 22,022.40, 33,033.60 and 18,085.80 is: 27,128.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.40 : 33,033.60 = 18,085.80 : x
  2. Step 2: Convert to fraction form
    22,022.40/33,033.60 = 18,085.80/x
  3. Step 3: Cross multiply
    22,022.40x = 33,033.60 × 18,085.80
  4. Step 4: Simplify right side
    22,022.40x = 597,439,082.88
  5. Step 5: Solve for x
    x = 597,439,082.88/22,022.40
  6. Step 6: Final answer
    x = 27,128.70

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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.