Home / 25,450.67-35,122.11-13,965.50

Finding the Fourth Proportional to 25,450.67, 35,122.11 and 13,965.50

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Solution

The fourth proportional to 25,450.67, 35,122.11 and 13,965.50 is: 19,272.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,450.67 : 35,122.11 = 13,965.50 : x
  2. Step 2: Convert to fraction form
    25,450.67/35,122.11 = 13,965.50/x
  3. Step 3: Cross multiply
    25,450.67x = 35,122.11 × 13,965.50
  4. Step 4: Simplify right side
    25,450.67x = 490,497,827.21
  5. Step 5: Solve for x
    x = 490,497,827.21/25,450.67
  6. Step 6: Final answer
    x = 19,272.49

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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.