Home / 22,945.25-31,675.57-15,388.82

Finding the Fourth Proportional to 22,945.25, 31,675.57 and 15,388.82

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Solution

The fourth proportional to 22,945.25, 31,675.57 and 15,388.82 is: 21,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,945.25 : 31,675.57 = 15,388.82 : x
  2. Step 2: Convert to fraction form
    22,945.25/31,675.57 = 15,388.82/x
  3. Step 3: Cross multiply
    22,945.25x = 31,675.57 × 15,388.82
  4. Step 4: Simplify right side
    22,945.25x = 487,449,448.28
  5. Step 5: Solve for x
    x = 487,449,448.28/22,945.25
  6. Step 6: Final answer
    x = 21,244.02

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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.