Home / 25,204.44-34,776.18-21,186.54

Finding the Fourth Proportional to 25,204.44, 34,776.18 and 21,186.54

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Solution

The fourth proportional to 25,204.44, 34,776.18 and 21,186.54 is: 29,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,204.44 : 34,776.18 = 21,186.54 : x
  2. Step 2: Convert to fraction form
    25,204.44/34,776.18 = 21,186.54/x
  3. Step 3: Cross multiply
    25,204.44x = 34,776.18 × 21,186.54
  4. Step 4: Simplify right side
    25,204.44x = 736,786,928.62
  5. Step 5: Solve for x
    x = 736,786,928.62/25,204.44
  6. Step 6: Final answer
    x = 29,232.43

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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.