Home / 22,763.64-31,414.21-12,555.84

Finding the Fourth Proportional to 22,763.64, 31,414.21 and 12,555.84

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Solution

The fourth proportional to 22,763.64, 31,414.21 and 12,555.84 is: 17,327.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,763.64 : 31,414.21 = 12,555.84 : x
  2. Step 2: Convert to fraction form
    22,763.64/31,414.21 = 12,555.84/x
  3. Step 3: Cross multiply
    22,763.64x = 31,414.21 × 12,555.84
  4. Step 4: Simplify right side
    22,763.64x = 394,431,997.90
  5. Step 5: Solve for x
    x = 394,431,997.90/22,763.64
  6. Step 6: Final answer
    x = 17,327.28

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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.