Home / 25,921.72-35,772.78-14,744.44

Finding the Fourth Proportional to 25,921.72, 35,772.78 and 14,744.44

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Solution

The fourth proportional to 25,921.72, 35,772.78 and 14,744.44 is: 20,347.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,921.72 : 35,772.78 = 14,744.44 : x
  2. Step 2: Convert to fraction form
    25,921.72/35,772.78 = 14,744.44/x
  3. Step 3: Cross multiply
    25,921.72x = 35,772.78 × 14,744.44
  4. Step 4: Simplify right side
    25,921.72x = 527,449,608.34
  5. Step 5: Solve for x
    x = 527,449,608.34/25,921.72
  6. Step 6: Final answer
    x = 20,347.79

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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.