Home / 22,796.43-31,388.90-19,431.69

Finding the Fourth Proportional to 22,796.43, 31,388.90 and 19,431.69

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Solution

The fourth proportional to 22,796.43, 31,388.90 and 19,431.69 is: 26,755.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,796.43 : 31,388.90 = 19,431.69 : x
  2. Step 2: Convert to fraction form
    22,796.43/31,388.90 = 19,431.69/x
  3. Step 3: Cross multiply
    22,796.43x = 31,388.90 × 19,431.69
  4. Step 4: Simplify right side
    22,796.43x = 609,939,277.08
  5. Step 5: Solve for x
    x = 609,939,277.08/22,796.43
  6. Step 6: Final answer
    x = 26,755.91

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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.