Home / 22,157.36-33,215.52-11,625.20

Finding the Fourth Proportional to 22,157.36, 33,215.52 and 11,625.20

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Solution

The fourth proportional to 22,157.36, 33,215.52 and 11,625.20 is: 17,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157.36 : 33,215.52 = 11,625.20 : x
  2. Step 2: Convert to fraction form
    22,157.36/33,215.52 = 11,625.20/x
  3. Step 3: Cross multiply
    22,157.36x = 33,215.52 × 11,625.20
  4. Step 4: Simplify right side
    22,157.36x = 386,137,063.10
  5. Step 5: Solve for x
    x = 386,137,063.10/22,157.36
  6. Step 6: Final answer
    x = 17,427.03

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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.