Home / 22,297.49-30,771.51-13,343.28

Finding the Fourth Proportional to 22,297.49, 30,771.51 and 13,343.28

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Solution

The fourth proportional to 22,297.49, 30,771.51 and 13,343.28 is: 18,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,297.49 : 30,771.51 = 13,343.28 : x
  2. Step 2: Convert to fraction form
    22,297.49/30,771.51 = 13,343.28/x
  3. Step 3: Cross multiply
    22,297.49x = 30,771.51 × 13,343.28
  4. Step 4: Simplify right side
    22,297.49x = 410,592,873.95
  5. Step 5: Solve for x
    x = 410,592,873.95/22,297.49
  6. Step 6: Final answer
    x = 18,414.31

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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.