Home / 22,317.44-30,796.74-12,758.36

Finding the Fourth Proportional to 22,317.44, 30,796.74 and 12,758.36

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Solution

The fourth proportional to 22,317.44, 30,796.74 and 12,758.36 is: 17,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,317.44 : 30,796.74 = 12,758.36 : x
  2. Step 2: Convert to fraction form
    22,317.44/30,796.74 = 12,758.36/x
  3. Step 3: Cross multiply
    22,317.44x = 30,796.74 × 12,758.36
  4. Step 4: Simplify right side
    22,317.44x = 392,915,895.75
  5. Step 5: Solve for x
    x = 392,915,895.75/22,317.44
  6. Step 6: Final answer
    x = 17,605.78

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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.