Home / 22,635.70-31,241.02-13,204.28

Finding the Fourth Proportional to 22,635.70, 31,241.02 and 13,204.28

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Solution

The fourth proportional to 22,635.70, 31,241.02 and 13,204.28 is: 18,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,635.70 : 31,241.02 = 13,204.28 : x
  2. Step 2: Convert to fraction form
    22,635.70/31,241.02 = 13,204.28/x
  3. Step 3: Cross multiply
    22,635.70x = 31,241.02 × 13,204.28
  4. Step 4: Simplify right side
    22,635.70x = 412,515,175.57
  5. Step 5: Solve for x
    x = 412,515,175.57/22,635.70
  6. Step 6: Final answer
    x = 18,224.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.