Home / 22,505.80-33,763.56-12,115.12

Finding the Fourth Proportional to 22,505.80, 33,763.56 and 12,115.12

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Solution

The fourth proportional to 22,505.80, 33,763.56 and 12,115.12 is: 18,175.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,505.80 : 33,763.56 = 12,115.12 : x
  2. Step 2: Convert to fraction form
    22,505.80/33,763.56 = 12,115.12/x
  3. Step 3: Cross multiply
    22,505.80x = 33,763.56 × 12,115.12
  4. Step 4: Simplify right side
    22,505.80x = 409,049,581.03
  5. Step 5: Solve for x
    x = 409,049,581.03/22,505.80
  6. Step 6: Final answer
    x = 18,175.30

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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.