Home / 25,450.38-35,121.54-14,272.38

Finding the Fourth Proportional to 25,450.38, 35,121.54 and 14,272.38

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Solution

The fourth proportional to 25,450.38, 35,121.54 and 14,272.38 is: 19,695.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.38 : 35,121.54 = 14,272.38 : x
  2. Step 2: Convert to fraction form
    25,450.38/35,121.54 = 14,272.38/x
  3. Step 3: Cross multiply
    25,450.38x = 35,121.54 × 14,272.38
  4. Step 4: Simplify right side
    25,450.38x = 501,267,965.07
  5. Step 5: Solve for x
    x = 501,267,965.07/25,450.38
  6. Step 6: Final answer
    x = 19,695.89

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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.