Home / 24,950.75-34,431.72-13,620.32

Finding the Fourth Proportional to 24,950.75, 34,431.72 and 13,620.32

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Solution

The fourth proportional to 24,950.75, 34,431.72 and 13,620.32 is: 18,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,950.75 : 34,431.72 = 13,620.32 : x
  2. Step 2: Convert to fraction form
    24,950.75/34,431.72 = 13,620.32/x
  3. Step 3: Cross multiply
    24,950.75x = 34,431.72 × 13,620.32
  4. Step 4: Simplify right side
    24,950.75x = 468,970,872.39
  5. Step 5: Solve for x
    x = 468,970,872.39/24,950.75
  6. Step 6: Final answer
    x = 18,795.87

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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.