Home / 25,673.05-35,414.03-15,456.98

Finding the Fourth Proportional to 25,673.05, 35,414.03 and 15,456.98

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Solution

The fourth proportional to 25,673.05, 35,414.03 and 15,456.98 is: 21,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,673.05 : 35,414.03 = 15,456.98 : x
  2. Step 2: Convert to fraction form
    25,673.05/35,414.03 = 15,456.98/x
  3. Step 3: Cross multiply
    25,673.05x = 35,414.03 × 15,456.98
  4. Step 4: Simplify right side
    25,673.05x = 547,393,953.43
  5. Step 5: Solve for x
    x = 547,393,953.43/25,673.05
  6. Step 6: Final answer
    x = 21,321.73

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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.