Home / 25,450.12-35,121.06-15,514.12

Finding the Fourth Proportional to 25,450.12, 35,121.06 and 15,514.12

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Solution

The fourth proportional to 25,450.12, 35,121.06 and 15,514.12 is: 21,409.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.12 : 35,121.06 = 15,514.12 : x
  2. Step 2: Convert to fraction form
    25,450.12/35,121.06 = 15,514.12/x
  3. Step 3: Cross multiply
    25,450.12x = 35,121.06 × 15,514.12
  4. Step 4: Simplify right side
    25,450.12x = 544,872,339.37
  5. Step 5: Solve for x
    x = 544,872,339.37/25,450.12
  6. Step 6: Final answer
    x = 21,409.42

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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.