Home / 22,796.41-31,473.48-15,638.32

Finding the Fourth Proportional to 22,796.41, 31,473.48 and 15,638.32

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Solution

The fourth proportional to 22,796.41, 31,473.48 and 15,638.32 is: 21,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,796.41 : 31,473.48 = 15,638.32 : x
  2. Step 2: Convert to fraction form
    22,796.41/31,473.48 = 15,638.32/x
  3. Step 3: Cross multiply
    22,796.41x = 31,473.48 × 15,638.32
  4. Step 4: Simplify right side
    22,796.41x = 492,192,351.75
  5. Step 5: Solve for x
    x = 492,192,351.75/22,796.41
  6. Step 6: Final answer
    x = 21,590.78

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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.