Home / 23,028.96-31,781.52-19,892.64

Finding the Fourth Proportional to 23,028.96, 31,781.52 and 19,892.64

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Solution

The fourth proportional to 23,028.96, 31,781.52 and 19,892.64 is: 27,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,028.96 : 31,781.52 = 19,892.64 : x
  2. Step 2: Convert to fraction form
    23,028.96/31,781.52 = 19,892.64/x
  3. Step 3: Cross multiply
    23,028.96x = 31,781.52 × 19,892.64
  4. Step 4: Simplify right side
    23,028.96x = 632,218,336.01
  5. Step 5: Solve for x
    x = 632,218,336.01/23,028.96
  6. Step 6: Final answer
    x = 27,453.19

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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.