Home / 25,450.75-35,123.70-14,272.75

Finding the Fourth Proportional to 25,450.75, 35,123.70 and 14,272.75

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Solution

The fourth proportional to 25,450.75, 35,123.70 and 14,272.75 is: 19,697.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.75 : 35,123.70 = 14,272.75 : x
  2. Step 2: Convert to fraction form
    25,450.75/35,123.70 = 14,272.75/x
  3. Step 3: Cross multiply
    25,450.75x = 35,123.70 × 14,272.75
  4. Step 4: Simplify right side
    25,450.75x = 501,311,789.18
  5. Step 5: Solve for x
    x = 501,311,789.18/25,450.75
  6. Step 6: Final answer
    x = 19,697.33

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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.