Home / 22,905.26-31,372.36-21,560.30

Finding the Fourth Proportional to 22,905.26, 31,372.36 and 21,560.30

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Solution

The fourth proportional to 22,905.26, 31,372.36 and 21,560.30 is: 29,530.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,905.26 : 31,372.36 = 21,560.30 : x
  2. Step 2: Convert to fraction form
    22,905.26/31,372.36 = 21,560.30/x
  3. Step 3: Cross multiply
    22,905.26x = 31,372.36 × 21,560.30
  4. Step 4: Simplify right side
    22,905.26x = 676,397,493.31
  5. Step 5: Solve for x
    x = 676,397,493.31/22,905.26
  6. Step 6: Final answer
    x = 29,530.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.